21530556

素因数分解:

$2^2\times 3^3\times {\mathrm{199357}}^1$

素因数の和:199370

約数の個数: 24

約数和(自身を含む): 55820240

約数和(自身を除く): 34289684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 199357, 398714, 598071, 797428, 1196142, 1794213, 2392284, 3588426, 5382639, 7176852, 10765278, 21530556]

約数ペア:

[(1, 21530556), (2, 10765278), (3, 7176852), (4, 5382639), (6, 3588426), (9, 2392284), (12, 1794213), (18, 1196142), (27, 797428), (36, 598071), (54, 398714), (108, 199357)]