21292908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 192

約数和(自身を含む): 68640768

約数和(自身を除く): 47347860

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 21, 26, 28, 31, 34, 37, 39, 42, 51, 52, 62, 68, 74, 78, 84, 91, 93, 102, 111, 119, 124, 148, 156, 182, 186, 204, 217, 221, 222, 238, 259, 273, 357, 364, 372, 403, 434, 442, 444, 476, 481, 518, 527, 546, 629, 651, 663, 714, 777, 806, 868, 884, 962, 1036, 1054, 1092, 1147, 1209, 1258, 1302, 1326, 1428, 1443, 1547, 1554, 1581, 1612, 1887, 1924, 2108, 2294, 2418, 2516, 2604, 2652, 2821, 2886, 3094, 3108, 3162, 3367, 3441, 3689, 3774, 4403, 4588, 4641, 4836, 5642, 5772, 6188, 6324, 6734, 6851, 6882, 7378, 7548, 8029, 8177, 8463, 8806, 9282, 10101, 11067, 11284, 13209, 13468, 13702, 13764, 14756, 14911, 16058, 16354, 16926, 17612, 18564, 19499, 20202, 20553, 22134, 24087, 24531, 26418, 27404, 29822, 32116, 32708, 33852, 38998, 40404, 41106, 44268, 44733, 47957, 48174, 49062, 52836, 57239, 58497, 59644, 77996, 82212, 89466, 95914, 96348, 98124, 104377, 114478, 116994, 136493, 143871, 171717, 178932, 191828, 208754, 228956, 233988, 253487, 272986, 287742, 313131, 343434, 409479, 417508, 506974, 545972, 575484, 626262, 686868, 760461, 818958, 1013948, 1252524, 1520922, 1637916, 1774409, 3041844, 3548818, 5323227, 7097636, 10646454, 21292908]

約数ペア:

[(1, 21292908), (2, 10646454), (3, 7097636), (4, 5323227), (6, 3548818), (7, 3041844), (12, 1774409), (13, 1637916), (14, 1520922), (17, 1252524), (21, 1013948), (26, 818958), (28, 760461), (31, 686868), (34, 626262), (37, 575484), (39, 545972), (42, 506974), (51, 417508), (52, 409479), (62, 343434), (68, 313131), (74, 287742), (78, 272986), (84, 253487), (91, 233988), (93, 228956), (102, 208754), (111, 191828), (119, 178932), (124, 171717), (148, 143871), (156, 136493), (182, 116994), (186, 114478), (204, 104377), (217, 98124), (221, 96348), (222, 95914), (238, 89466), (259, 82212), (273, 77996), (357, 59644), (364, 58497), (372, 57239), (403, 52836), (434, 49062), (442, 48174), (444, 47957), (476, 44733), (481, 44268), (518, 41106), (527, 40404), (546, 38998), (629, 33852), (651, 32708), (663, 32116), (714, 29822), (777, 27404), (806, 26418), (868, 24531), (884, 24087), (962, 22134), (1036, 20553), (1054, 20202), (1092, 19499), (1147, 18564), (1209, 17612), (1258, 16926), (1302, 16354), (1326, 16058), (1428, 14911), (1443, 14756), (1547, 13764), (1554, 13702), (1581, 13468), (1612, 13209), (1887, 11284), (1924, 11067), (2108, 10101), (2294, 9282), (2418, 8806), (2516, 8463), (2604, 8177), (2652, 8029), (2821, 7548), (2886, 7378), (3094, 6882), (3108, 6851), (3162, 6734), (3367, 6324), (3441, 6188), (3689, 5772), (3774, 5642), (4403, 4836), (4588, 4641)]