21306774

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^2\times {\mathrm{569}}^1$

素因数の和:732

約数の個数: 24

約数和(自身を含む): 43235640

約数和(自身を除く): 21928866

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 569, 1138, 1707, 3414, 6241, 12482, 18723, 37446, 44951, 89902, 134853, 269706, 3551129, 7102258, 10653387, 21306774]

約数ペア:

[(1, 21306774), (2, 10653387), (3, 7102258), (6, 3551129), (79, 269706), (158, 134853), (237, 89902), (474, 44951), (569, 37446), (1138, 18723), (1707, 12482), (3414, 6241)]