21044050

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{4729}}^1$

素因数の和:4830

約数の個数: 24

約数和(自身を含む): 39590100

約数和(自身を除く): 18546050

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 4729, 9458, 23645, 47290, 118225, 236450, 420881, 841762, 2104405, 4208810, 10522025, 21044050]

約数ペア:

[(1, 21044050), (2, 10522025), (5, 4208810), (10, 2104405), (25, 841762), (50, 420881), (89, 236450), (178, 118225), (445, 47290), (890, 23645), (2225, 9458), (4450, 4729)]