21310372

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1321}}^1$

素因数の和:1471

約数の個数: 24

約数和(自身を含む): 38681720

約数和(自身を除く): 17371348

約数列:

[1, 2, 4, 37, 74, 109, 148, 218, 436, 1321, 2642, 4033, 5284, 8066, 16132, 48877, 97754, 143989, 195508, 287978, 575956, 5327593, 10655186, 21310372]

約数ペア:

[(1, 21310372), (2, 10655186), (4, 5327593), (37, 575956), (74, 287978), (109, 195508), (148, 143989), (218, 97754), (436, 48877), (1321, 16132), (2642, 8066), (4033, 5284)]