21904410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{66377}}^1$

素因数の和:66398

約数の個数: 32

約数和(自身を含む): 57350592

約数和(自身を除く): 35446182

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 66377, 132754, 199131, 331885, 398262, 663770, 730147, 995655, 1460294, 1991310, 2190441, 3650735, 4380882, 7301470, 10952205, 21904410]

約数ペア:

[(1, 21904410), (2, 10952205), (3, 7301470), (5, 4380882), (6, 3650735), (10, 2190441), (11, 1991310), (15, 1460294), (22, 995655), (30, 730147), (33, 663770), (55, 398262), (66, 331885), (110, 199131), (165, 132754), (330, 66377)]