21000643224

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:622

約数の個数: 256

約数和(自身を含む): 61188341760

約数和(自身を除く): 40187698536

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 37, 44, 62, 66, 74, 88, 93, 111, 124, 132, 148, 186, 222, 223, 248, 264, 296, 311, 341, 372, 407, 444, 446, 622, 669, 682, 744, 814, 888, 892, 933, 1023, 1147, 1221, 1244, 1338, 1364, 1628, 1784, 1866, 2046, 2294, 2442, 2453, 2488, 2676, 2728, 3256, 3421, 3441, 3732, 4092, 4588, 4884, 4906, 5352, 6842, 6882, 6913, 7359, 7464, 8184, 8251, 9176, 9641, 9768, 9812, 10263, 11507, 12617, 13684, 13764, 13826, 14718, 16502, 19282, 19624, 20526, 20739, 23014, 24753, 25234, 27368, 27528, 27652, 28923, 29436, 33004, 34521, 37851, 38564, 41052, 41478, 46028, 49506, 50468, 55304, 57846, 58872, 66008, 69042, 69353, 75702, 76043, 77128, 82104, 82956, 90761, 92056, 99012, 100936, 106051, 115692, 126577, 138084, 138706, 151404, 152086, 165912, 181522, 198024, 208059, 212102, 228129, 231384, 253154, 255781, 272283, 276168, 277412, 302808, 304172, 318153, 356717, 363044, 379731, 416118, 424204, 456258, 506308, 511562, 544566, 554824, 608344, 636306, 713434, 726088, 759462, 762883, 767343, 832236, 848408, 912516, 1012616, 1023124, 1070151, 1089132, 1272612, 1426868, 1518924, 1525766, 1534686, 1664472, 1825032, 2046248, 2140302, 2149943, 2178264, 2288649, 2545224, 2566061, 2813591, 2853736, 3037848, 3051532, 3069372, 3923887, 4280604, 4299886, 4577298, 5132122, 5627182, 6103064, 6138744, 6449829, 7698183, 7847774, 8440773, 8561208, 8599772, 9154596, 10264244, 11254364, 11771661, 12899658, 15396366, 15695548, 16881546, 17199544, 18309192, 20528488, 22508728, 23543322, 23649373, 25799316, 28226671, 30792732, 31391096, 33763092, 47086644, 47298746, 51598632, 56453342, 61585464, 67526184, 70948119, 79547891, 84680013, 94173288, 94597492, 112906684, 141896238, 159095782, 169360026, 189194984, 225813368, 238643673, 283792476, 318191564, 338720052, 477287346, 567584952, 636383128, 677440104, 875026801, 954574692, 1750053602, 1909149384, 2625080403, 3500107204, 5250160806, 7000214408, 10500321612, 21000643224]

約数ペア:

[(1, 21000643224), (2, 10500321612), (3, 7000214408), (4, 5250160806), (6, 3500107204), (8, 2625080403), (11, 1909149384), (12, 1750053602), (22, 954574692), (24, 875026801), (31, 677440104), (33, 636383128), (37, 567584952), (44, 477287346), (62, 338720052), (66, 318191564), (74, 283792476), (88, 238643673), (93, 225813368), (111, 189194984), (124, 169360026), (132, 159095782), (148, 141896238), (186, 112906684), (222, 94597492), (223, 94173288), (248, 84680013), (264, 79547891), (296, 70948119), (311, 67526184), (341, 61585464), (372, 56453342), (407, 51598632), (444, 47298746), (446, 47086644), (622, 33763092), (669, 31391096), (682, 30792732), (744, 28226671), (814, 25799316), (888, 23649373), (892, 23543322), (933, 22508728), (1023, 20528488), (1147, 18309192), (1221, 17199544), (1244, 16881546), (1338, 15695548), (1364, 15396366), (1628, 12899658), (1784, 11771661), (1866, 11254364), (2046, 10264244), (2294, 9154596), (2442, 8599772), (2453, 8561208), (2488, 8440773), (2676, 7847774), (2728, 7698183), (3256, 6449829), (3421, 6138744), (3441, 6103064), (3732, 5627182), (4092, 5132122), (4588, 4577298), (4884, 4299886), (4906, 4280604), (5352, 3923887), (6842, 3069372), (6882, 3051532), (6913, 3037848), (7359, 2853736), (7464, 2813591), (8184, 2566061), (8251, 2545224), (9176, 2288649), (9641, 2178264), (9768, 2149943), (9812, 2140302), (10263, 2046248), (11507, 1825032), (12617, 1664472), (13684, 1534686), (13764, 1525766), (13826, 1518924), (14718, 1426868), (16502, 1272612), (19282, 1089132), (19624, 1070151), (20526, 1023124), (20739, 1012616), (23014, 912516), (24753, 848408), (25234, 832236), (27368, 767343), (27528, 762883), (27652, 759462), (28923, 726088), (29436, 713434), (33004, 636306), (34521, 608344), (37851, 554824), (38564, 544566), (41052, 511562), (41478, 506308), (46028, 456258), (49506, 424204), (50468, 416118), (55304, 379731), (57846, 363044), (58872, 356717), (66008, 318153), (69042, 304172), (69353, 302808), (75702, 277412), (76043, 276168), (77128, 272283), (82104, 255781), (82956, 253154), (90761, 231384), (92056, 228129), (99012, 212102), (100936, 208059), (106051, 198024), (115692, 181522), (126577, 165912), (138084, 152086), (138706, 151404)]