21107792

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{6907}}^1$

素因数の和:7106

約数の個数: 20

約数和(自身を含む): 41116416

約数和(自身を除く): 20008624

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 6907, 13814, 27628, 55256, 110512, 1319237, 2638474, 5276948, 10553896, 21107792]

約数ペア:

[(1, 21107792), (2, 10553896), (4, 5276948), (8, 2638474), (16, 1319237), (191, 110512), (382, 55256), (764, 27628), (1528, 13814), (3056, 6907)]