21255476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{2503}}^1$

素因数の和:2711

約数の個数: 24

約数和(自身を含む): 40805184

約数和(自身を除く): 19549708

約数列:

[1, 2, 4, 11, 22, 44, 193, 386, 772, 2123, 2503, 4246, 5006, 8492, 10012, 27533, 55066, 110132, 483079, 966158, 1932316, 5313869, 10627738, 21255476]

約数ペア:

[(1, 21255476), (2, 10627738), (4, 5313869), (11, 1932316), (22, 966158), (44, 483079), (193, 110132), (386, 55066), (772, 27533), (2123, 10012), (2503, 8492), (4246, 5006)]