21053910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17117}}^1$

素因数の和:17168

約数の個数: 32

約数和(自身を含む): 51764832

約数和(自身を除く): 30710922

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 17117, 34234, 51351, 85585, 102702, 171170, 256755, 513510, 701797, 1403594, 2105391, 3508985, 4210782, 7017970, 10526955, 21053910]

約数ペア:

[(1, 21053910), (2, 10526955), (3, 7017970), (5, 4210782), (6, 3508985), (10, 2105391), (15, 1403594), (30, 701797), (41, 513510), (82, 256755), (123, 171170), (205, 102702), (246, 85585), (410, 51351), (615, 34234), (1230, 17117)]