21739276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11299}}^1$

素因数の和:11353

約数の個数: 24

約数和(自身を含む): 42081200

約数和(自身を除く): 20341924

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 11299, 22598, 45196, 146887, 293774, 418063, 587548, 836126, 1672252, 5434819, 10869638, 21739276]

約数ペア:

[(1, 21739276), (2, 10869638), (4, 5434819), (13, 1672252), (26, 836126), (37, 587548), (52, 418063), (74, 293774), (148, 146887), (481, 45196), (962, 22598), (1924, 11299)]