21158182

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{1031}}^1$

素因数の和:1395

約数の個数: 16

約数和(自身を含む): 32891904

約数和(自身を除く): 11733722

約数列:

[1, 2, 31, 62, 331, 662, 1031, 2062, 10261, 20522, 31961, 63922, 341261, 682522, 10579091, 21158182]

約数ペア:

[(1, 21158182), (2, 10579091), (31, 682522), (62, 341261), (331, 63922), (662, 31961), (1031, 20522), (2062, 10261)]