21250845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6133}}^1$

素因数の和:6162

約数の個数: 48

約数和(自身を含む): 45931392

約数和(自身を除く): 24680547

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 6133, 18399, 30665, 42931, 55197, 67463, 91995, 128793, 202389, 214655, 275985, 337315, 386379, 472241, 607167, 643965, 1011945, 1416723, 1931895, 2361205, 3035835, 4250169, 7083615, 21250845]

約数ペア:

[(1, 21250845), (3, 7083615), (5, 4250169), (7, 3035835), (9, 2361205), (11, 1931895), (15, 1416723), (21, 1011945), (33, 643965), (35, 607167), (45, 472241), (55, 386379), (63, 337315), (77, 275985), (99, 214655), (105, 202389), (165, 128793), (231, 91995), (315, 67463), (385, 55197), (495, 42931), (693, 30665), (1155, 18399), (3465, 6133)]