21401584

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{4357}}^1$

素因数の和:4672

約数の個数: 20

約数和(自身を含む): 41610184

約数和(自身を除く): 20208600

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4357, 4912, 8714, 17428, 34856, 69712, 1337599, 2675198, 5350396, 10700792, 21401584]

約数ペア:

[(1, 21401584), (2, 10700792), (4, 5350396), (8, 2675198), (16, 1337599), (307, 69712), (614, 34856), (1228, 17428), (2456, 8714), (4357, 4912)]