21307103672

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{409}}^1\times {\mathrm{122867}}^1$

素因数の和:123335

約数の個数: 32

約数和(自身を含む): 40804462800

約数和(自身を除く): 19497359128

約数列:

[1, 2, 4, 8, 53, 106, 212, 409, 424, 818, 1636, 3272, 21677, 43354, 86708, 122867, 173416, 245734, 491468, 982936, 6511951, 13023902, 26047804, 50252603, 52095608, 100505206, 201010412, 402020824, 2663387959, 5326775918, 10653551836, 21307103672]

約数ペア:

[(1, 21307103672), (2, 10653551836), (4, 5326775918), (8, 2663387959), (53, 402020824), (106, 201010412), (212, 100505206), (409, 52095608), (424, 50252603), (818, 26047804), (1636, 13023902), (3272, 6511951), (21677, 982936), (43354, 491468), (86708, 245734), (122867, 173416)]