21896848

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{15377}}^1$

素因数の和:15474

約数の個数: 20

約数和(自身を含む): 42904620

約数和(自身を除く): 21007772

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 15377, 30754, 61508, 123016, 246032, 1368553, 2737106, 5474212, 10948424, 21896848]

約数ペア:

[(1, 21896848), (2, 10948424), (4, 5474212), (8, 2737106), (16, 1368553), (89, 246032), (178, 123016), (356, 61508), (712, 30754), (1424, 15377)]