21386796

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{13009}}^1$

素因数の和:13153

約数の個数: 24

約数和(自身を含む): 50270640

約数和(自身を除く): 28883844

約数列:

[1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644, 13009, 26018, 39027, 52036, 78054, 156108, 1782233, 3564466, 5346699, 7128932, 10693398, 21386796]

約数ペア:

[(1, 21386796), (2, 10693398), (3, 7128932), (4, 5346699), (6, 3564466), (12, 1782233), (137, 156108), (274, 78054), (411, 52036), (548, 39027), (822, 26018), (1644, 13009)]