21720330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{241337}}^1$

素因数の和:241350

約数の個数: 24

約数和(自身を含む): 56473092

約数和(自身を除く): 34752762

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 241337, 482674, 724011, 1206685, 1448022, 2172033, 2413370, 3620055, 4344066, 7240110, 10860165, 21720330]

約数ペア:

[(1, 21720330), (2, 10860165), (3, 7240110), (5, 4344066), (6, 3620055), (9, 2413370), (10, 2172033), (15, 1448022), (18, 1206685), (30, 724011), (45, 482674), (90, 241337)]