21139926

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 43330560

約数和(自身を除く): 22190634

約数列:

[1, 2, 3, 6, 79, 103, 158, 206, 237, 309, 433, 474, 618, 866, 1299, 2598, 8137, 16274, 24411, 34207, 44599, 48822, 68414, 89198, 102621, 133797, 205242, 267594, 3523321, 7046642, 10569963, 21139926]

約数ペア:

[(1, 21139926), (2, 10569963), (3, 7046642), (6, 3523321), (79, 267594), (103, 205242), (158, 133797), (206, 102621), (237, 89198), (309, 68414), (433, 48822), (474, 44599), (618, 34207), (866, 24411), (1299, 16274), (2598, 8137)]