21618170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5827}}^1$

素因数の和:5894

約数の個数: 32

約数和(自身を含む): 45318528

約数和(自身を除く): 23700358

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5827, 11654, 29135, 40789, 58270, 81578, 203945, 308831, 407890, 617662, 1544155, 2161817, 3088310, 4323634, 10809085, 21618170]

約数ペア:

[(1, 21618170), (2, 10809085), (5, 4323634), (7, 3088310), (10, 2161817), (14, 1544155), (35, 617662), (53, 407890), (70, 308831), (106, 203945), (265, 81578), (371, 58270), (530, 40789), (742, 29135), (1855, 11654), (3710, 5827)]