21758412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10729}}^1$

素因数の和:10762

約数の個数: 36

約数和(自身を含む): 54980520

約数和(自身を除く): 33222108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10729, 21458, 32187, 42916, 64374, 128748, 139477, 278954, 418431, 557908, 836862, 1673724, 1813201, 3626402, 5439603, 7252804, 10879206, 21758412]

約数ペア:

[(1, 21758412), (2, 10879206), (3, 7252804), (4, 5439603), (6, 3626402), (12, 1813201), (13, 1673724), (26, 836862), (39, 557908), (52, 418431), (78, 278954), (156, 139477), (169, 128748), (338, 64374), (507, 42916), (676, 32187), (1014, 21458), (2028, 10729)]