21420930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{3989}}^1$

素因数の和:4178

約数の個数: 32

約数和(自身を含む): 51710400

約数和(自身を除く): 30289470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 179, 358, 537, 895, 1074, 1790, 2685, 3989, 5370, 7978, 11967, 19945, 23934, 39890, 59835, 119670, 714031, 1428062, 2142093, 3570155, 4284186, 7140310, 10710465, 21420930]

約数ペア:

[(1, 21420930), (2, 10710465), (3, 7140310), (5, 4284186), (6, 3570155), (10, 2142093), (15, 1428062), (30, 714031), (179, 119670), (358, 59835), (537, 39890), (895, 23934), (1074, 19945), (1790, 11967), (2685, 7978), (3989, 5370)]