21089370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14957}}^1$

素因数の和:15014

約数の個数: 32

約数和(自身を含む): 51694848

約数和(自身を除く): 30605478

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 14957, 29914, 44871, 74785, 89742, 149570, 224355, 448710, 702979, 1405958, 2108937, 3514895, 4217874, 7029790, 10544685, 21089370]

約数ペア:

[(1, 21089370), (2, 10544685), (3, 7029790), (5, 4217874), (6, 3514895), (10, 2108937), (15, 1405958), (30, 702979), (47, 448710), (94, 224355), (141, 149570), (235, 89742), (282, 74785), (470, 44871), (705, 29914), (1410, 14957)]