21877711

素因数分解:

${\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:282

約数の個数: 16

約数和(自身を含む): 23221728

約数和(自身を除く): 1344017

約数列:

[1, 53, 61, 67, 101, 3233, 3551, 4087, 5353, 6161, 6767, 216611, 326533, 358651, 412787, 21877711]

約数ペア:

[(1, 21877711), (53, 412787), (61, 358651), (67, 326533), (101, 216611), (3233, 6767), (3551, 6161), (4087, 5353)]