21091740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351529}}^1$

素因数の和:351541

約数の個数: 24

約数和(自身を含む): 59057040

約数和(自身を除く): 37965300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351529, 703058, 1054587, 1406116, 1757645, 2109174, 3515290, 4218348, 5272935, 7030580, 10545870, 21091740]

約数ペア:

[(1, 21091740), (2, 10545870), (3, 7030580), (4, 5272935), (5, 4218348), (6, 3515290), (10, 2109174), (12, 1757645), (15, 1406116), (20, 1054587), (30, 703058), (60, 351529)]