21460912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121937}}^1$

素因数の和:121956

約数の個数: 20

約数和(自身を含む): 45360936

約数和(自身を除く): 23900024

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121937, 243874, 487748, 975496, 1341307, 1950992, 2682614, 5365228, 10730456, 21460912]

約数ペア:

[(1, 21460912), (2, 10730456), (4, 5365228), (8, 2682614), (11, 1950992), (16, 1341307), (22, 975496), (44, 487748), (88, 243874), (176, 121937)]