21439934805

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{67699}}^1$

素因数の和:68241

約数の個数: 32

約数和(自身を含む): 35173670400

約数和(自身を除く): 13733735595

約数列:

[1, 3, 5, 15, 43, 129, 215, 491, 645, 1473, 2455, 7365, 21113, 63339, 67699, 105565, 203097, 316695, 338495, 1015485, 2911057, 8733171, 14555285, 33240209, 43665855, 99720627, 166201045, 498603135, 1429328987, 4287986961, 7146644935, 21439934805]

約数ペア:

[(1, 21439934805), (3, 7146644935), (5, 4287986961), (15, 1429328987), (43, 498603135), (129, 166201045), (215, 99720627), (491, 43665855), (645, 33240209), (1473, 14555285), (2455, 8733171), (7365, 2911057), (21113, 1015485), (63339, 338495), (67699, 316695), (105565, 203097)]