21257358

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{52879}}^1$

素因数の和:52951

約数の個数: 16

約数和(自身を含む): 43150080

約数和(自身を除く): 21892722

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 52879, 105758, 158637, 317274, 3542893, 7085786, 10628679, 21257358]

約数ペア:

[(1, 21257358), (2, 10628679), (3, 7085786), (6, 3542893), (67, 317274), (134, 158637), (201, 105758), (402, 52879)]