21597072

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 160

約数和(自身を含む): 71424000

約数和(自身を除く): 49826928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 19, 21, 24, 28, 34, 38, 42, 48, 51, 56, 57, 68, 76, 84, 102, 112, 114, 119, 133, 136, 152, 168, 199, 204, 228, 238, 266, 272, 304, 323, 336, 357, 398, 399, 408, 456, 476, 532, 597, 646, 714, 796, 798, 816, 912, 952, 969, 1064, 1194, 1292, 1393, 1428, 1592, 1596, 1904, 1938, 2128, 2261, 2388, 2584, 2786, 2856, 3184, 3192, 3383, 3781, 3876, 4179, 4522, 4776, 5168, 5572, 5712, 6384, 6766, 6783, 7562, 7752, 8358, 9044, 9552, 10149, 11144, 11343, 13532, 13566, 15124, 15504, 16716, 18088, 20298, 22288, 22686, 23681, 26467, 27064, 27132, 30248, 33432, 36176, 40596, 45372, 47362, 52934, 54128, 54264, 60496, 64277, 66864, 71043, 79401, 81192, 90744, 94724, 105868, 108528, 128554, 142086, 158802, 162384, 181488, 189448, 192831, 211736, 257108, 284172, 317604, 378896, 385662, 423472, 449939, 514216, 568344, 635208, 771324, 899878, 1028432, 1136688, 1270416, 1349817, 1542648, 1799756, 2699634, 3085296, 3599512, 5399268, 7199024, 10798536, 21597072]

約数ペア:

[(1, 21597072), (2, 10798536), (3, 7199024), (4, 5399268), (6, 3599512), (7, 3085296), (8, 2699634), (12, 1799756), (14, 1542648), (16, 1349817), (17, 1270416), (19, 1136688), (21, 1028432), (24, 899878), (28, 771324), (34, 635208), (38, 568344), (42, 514216), (48, 449939), (51, 423472), (56, 385662), (57, 378896), (68, 317604), (76, 284172), (84, 257108), (102, 211736), (112, 192831), (114, 189448), (119, 181488), (133, 162384), (136, 158802), (152, 142086), (168, 128554), (199, 108528), (204, 105868), (228, 94724), (238, 90744), (266, 81192), (272, 79401), (304, 71043), (323, 66864), (336, 64277), (357, 60496), (398, 54264), (399, 54128), (408, 52934), (456, 47362), (476, 45372), (532, 40596), (597, 36176), (646, 33432), (714, 30248), (796, 27132), (798, 27064), (816, 26467), (912, 23681), (952, 22686), (969, 22288), (1064, 20298), (1194, 18088), (1292, 16716), (1393, 15504), (1428, 15124), (1592, 13566), (1596, 13532), (1904, 11343), (1938, 11144), (2128, 10149), (2261, 9552), (2388, 9044), (2584, 8358), (2786, 7752), (2856, 7562), (3184, 6783), (3192, 6766), (3383, 6384), (3781, 5712), (3876, 5572), (4179, 5168), (4522, 4776)]