21056460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350941}}^1$

素因数の和:350953

約数の個数: 24

約数和(自身を含む): 58958256

約数和(自身を除く): 37901796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350941, 701882, 1052823, 1403764, 1754705, 2105646, 3509410, 4211292, 5264115, 7018820, 10528230, 21056460]

約数ペア:

[(1, 21056460), (2, 10528230), (3, 7018820), (4, 5264115), (5, 4211292), (6, 3509410), (10, 2105646), (12, 1754705), (15, 1403764), (20, 1052823), (30, 701882), (60, 350941)]