21213930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{707131}}^1$

素因数の和:707141

約数の個数: 16

約数和(自身を含む): 50913504

約数和(自身を除く): 29699574

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 707131, 1414262, 2121393, 3535655, 4242786, 7071310, 10606965, 21213930]

約数ペア:

[(1, 21213930), (2, 10606965), (3, 7071310), (5, 4242786), (6, 3535655), (10, 2121393), (15, 1414262), (30, 707131)]