21876121

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 23664960

約数和(自身を除く): 1788839

約数列:

[1, 29, 43, 53, 331, 1247, 1537, 2279, 9599, 14233, 17543, 66091, 412757, 508747, 754349, 21876121]

約数ペア:

[(1, 21876121), (29, 754349), (43, 508747), (53, 412757), (331, 66091), (1247, 17543), (1537, 14233), (2279, 9599)]