21984540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{366409}}^1$

素因数の和:366421

約数の個数: 24

約数和(自身を含む): 61556880

約数和(自身を除く): 39572340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 366409, 732818, 1099227, 1465636, 1832045, 2198454, 3664090, 4396908, 5496135, 7328180, 10992270, 21984540]

約数ペア:

[(1, 21984540), (2, 10992270), (3, 7328180), (4, 5496135), (5, 4396908), (6, 3664090), (10, 2198454), (12, 1832045), (15, 1465636), (20, 1099227), (30, 732818), (60, 366409)]