21580488

素因数分解:

$2^3\times 3^2\times {\mathrm{193}}^1\times {\mathrm{1553}}^1$

素因数の和:1758

約数の個数: 48

約数和(自身を含む): 58787820

約数和(自身を除く): 37207332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 193, 386, 579, 772, 1158, 1544, 1553, 1737, 2316, 3106, 3474, 4632, 4659, 6212, 6948, 9318, 12424, 13896, 13977, 18636, 27954, 37272, 55908, 111816, 299729, 599458, 899187, 1198916, 1798374, 2397832, 2697561, 3596748, 5395122, 7193496, 10790244, 21580488]

約数ペア:

[(1, 21580488), (2, 10790244), (3, 7193496), (4, 5395122), (6, 3596748), (8, 2697561), (9, 2397832), (12, 1798374), (18, 1198916), (24, 899187), (36, 599458), (72, 299729), (193, 111816), (386, 55908), (579, 37272), (772, 27954), (1158, 18636), (1544, 13977), (1553, 13896), (1737, 12424), (2316, 9318), (3106, 6948), (3474, 6212), (4632, 4659)]