21106960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37691}}^1$

素因数の和:37711

約数の個数: 40

約数和(自身を含む): 56085696

約数和(自身を除く): 34978736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37691, 75382, 150764, 188455, 263837, 301528, 376910, 527674, 603056, 753820, 1055348, 1319185, 1507640, 2110696, 2638370, 3015280, 4221392, 5276740, 10553480, 21106960]

約数ペア:

[(1, 21106960), (2, 10553480), (4, 5276740), (5, 4221392), (7, 3015280), (8, 2638370), (10, 2110696), (14, 1507640), (16, 1319185), (20, 1055348), (28, 753820), (35, 603056), (40, 527674), (56, 376910), (70, 301528), (80, 263837), (112, 188455), (140, 150764), (280, 75382), (560, 37691)]