21004578

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{166703}}^1$

素因数の和:166718

約数の個数: 24

約数和(自身を含む): 52011648

約数和(自身を除く): 31007070

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 166703, 333406, 500109, 1000218, 1166921, 1500327, 2333842, 3000654, 3500763, 7001526, 10502289, 21004578]

約数ペア:

[(1, 21004578), (2, 10502289), (3, 7001526), (6, 3500763), (7, 3000654), (9, 2333842), (14, 1500327), (18, 1166921), (21, 1000218), (42, 500109), (63, 333406), (126, 166703)]