21878662

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2741}}^1$

素因数の和:3063

約数の個数: 16

約数和(自身を含む): 35470512

約数和(自身を除く): 13591850

約数列:

[1, 2, 13, 26, 307, 614, 2741, 3991, 5482, 7982, 35633, 71266, 841487, 1682974, 10939331, 21878662]

約数ペア:

[(1, 21878662), (2, 10939331), (13, 1682974), (26, 841487), (307, 71266), (614, 35633), (2741, 7982), (3991, 5482)]