21254736

素因数分解:

$2^4\times 3^1\times {\mathrm{442807}}^1$

素因数の和:442818

約数の個数: 20

約数和(自身を含む): 54908192

約数和(自身を除く): 33653456

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442807, 885614, 1328421, 1771228, 2656842, 3542456, 5313684, 7084912, 10627368, 21254736]

約数ペア:

[(1, 21254736), (2, 10627368), (3, 7084912), (4, 5313684), (6, 3542456), (8, 2656842), (12, 1771228), (16, 1328421), (24, 885614), (48, 442807)]