21491574

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{727}}^1$

素因数の和:1124

約数の個数: 32

約数和(自身を含む): 46475520

約数和(自身を除く): 24983946

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 379, 727, 758, 1137, 1454, 2181, 2274, 4362, 4927, 9451, 9854, 14781, 18902, 28353, 29562, 56706, 275533, 551066, 826599, 1653198, 3581929, 7163858, 10745787, 21491574]

約数ペア:

[(1, 21491574), (2, 10745787), (3, 7163858), (6, 3581929), (13, 1653198), (26, 826599), (39, 551066), (78, 275533), (379, 56706), (727, 29562), (758, 28353), (1137, 18902), (1454, 14781), (2181, 9854), (2274, 9451), (4362, 4927)]