21749494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49207}}^1$

素因数の和:49239

約数の個数: 16

約数和(自身を含む): 37201248

約数和(自身を除く): 15451754

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 49207, 98414, 639691, 836519, 1279382, 1673038, 10874747, 21749494]

約数ペア:

[(1, 21749494), (2, 10874747), (13, 1673038), (17, 1279382), (26, 836519), (34, 639691), (221, 98414), (442, 49207)]