21219630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{707321}}^1$

素因数の和:707331

約数の個数: 16

約数和(自身を含む): 50927184

約数和(自身を除く): 29707554

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 707321, 1414642, 2121963, 3536605, 4243926, 7073210, 10609815, 21219630]

約数ペア:

[(1, 21219630), (2, 10609815), (3, 7073210), (5, 4243926), (6, 3536605), (10, 2121963), (15, 1414642), (30, 707321)]