21160878

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{52639}}^1$

素因数の和:52711

約数の個数: 16

約数和(自身を含む): 42954240

約数和(自身を除く): 21793362

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 52639, 105278, 157917, 315834, 3526813, 7053626, 10580439, 21160878]

約数ペア:

[(1, 21160878), (2, 10580439), (3, 7053626), (6, 3526813), (67, 315834), (134, 157917), (201, 105278), (402, 52639)]