21245370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{708179}}^1$

素因数の和:708189

約数の個数: 16

約数和(自身を含む): 50988960

約数和(自身を除く): 29743590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 708179, 1416358, 2124537, 3540895, 4249074, 7081790, 10622685, 21245370]

約数ペア:

[(1, 21245370), (2, 10622685), (3, 7081790), (5, 4249074), (6, 3540895), (10, 2124537), (15, 1416358), (30, 708179)]