21859402

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1301}}^1$

素因数の和:1605

約数の個数: 16

約数和(自身を含む): 33997824

約数和(自身を除く): 12138422

約数列:

[1, 2, 31, 62, 271, 542, 1301, 2602, 8401, 16802, 40331, 80662, 352571, 705142, 10929701, 21859402]

約数ペア:

[(1, 21859402), (2, 10929701), (31, 705142), (62, 352571), (271, 80662), (542, 40331), (1301, 16802), (2602, 8401)]