21850935

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{14143}}^1$

素因数の和:14254

約数の個数: 16

約数和(自身を含む): 35303424

約数和(自身を除く): 13452489

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 14143, 42429, 70715, 212145, 1456729, 4370187, 7283645, 21850935]

約数ペア:

[(1, 21850935), (3, 7283645), (5, 4370187), (15, 1456729), (103, 212145), (309, 70715), (515, 42429), (1545, 14143)]