21845556

素因数分解:

$2^2\times 3^2\times {\mathrm{239}}^1\times {\mathrm{2539}}^1$

素因数の和:2788

約数の個数: 36

約数和(自身を含む): 55473600

約数和(自身を除く): 33628044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 239, 478, 717, 956, 1434, 2151, 2539, 2868, 4302, 5078, 7617, 8604, 10156, 15234, 22851, 30468, 45702, 91404, 606821, 1213642, 1820463, 2427284, 3640926, 5461389, 7281852, 10922778, 21845556]

約数ペア:

[(1, 21845556), (2, 10922778), (3, 7281852), (4, 5461389), (6, 3640926), (9, 2427284), (12, 1820463), (18, 1213642), (36, 606821), (239, 91404), (478, 45702), (717, 30468), (956, 22851), (1434, 15234), (2151, 10156), (2539, 8604), (2868, 7617), (4302, 5078)]