21865802

素因数分解:

$2^1\times 7^1\times {\mathrm{853}}^1\times {\mathrm{1831}}^1$

素因数の和:2693

約数の個数: 16

約数和(自身を含む): 37548672

約数和(自身を除く): 15682870

約数列:

[1, 2, 7, 14, 853, 1706, 1831, 3662, 5971, 11942, 12817, 25634, 1561843, 3123686, 10932901, 21865802]

約数ペア:

[(1, 21865802), (2, 10932901), (7, 3123686), (14, 1561843), (853, 25634), (1706, 12817), (1831, 11942), (3662, 5971)]