21518610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2791}}^1$

素因数の和:3058

約数の個数: 32

約数和(自身を含む): 51864192

約数和(自身を除く): 30345582

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 257, 514, 771, 1285, 1542, 2570, 2791, 3855, 5582, 7710, 8373, 13955, 16746, 27910, 41865, 83730, 717287, 1434574, 2151861, 3586435, 4303722, 7172870, 10759305, 21518610]

約数ペア:

[(1, 21518610), (2, 10759305), (3, 7172870), (5, 4303722), (6, 3586435), (10, 2151861), (15, 1434574), (30, 717287), (257, 83730), (514, 41865), (771, 27910), (1285, 16746), (1542, 13955), (2570, 8373), (2791, 7710), (3855, 5582)]