21227882

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{5407}}^1$

素因数の和:5573

約数の個数: 16

約数和(自身を含む): 34524672

約数和(自身を除く): 13296790

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 5407, 10814, 70291, 140582, 816457, 1632914, 10613941, 21227882]

約数ペア:

[(1, 21227882), (2, 10613941), (13, 1632914), (26, 816457), (151, 140582), (302, 70291), (1963, 10814), (3926, 5407)]