21545235

素因数分解:

$3^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{701}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 37453104

約数和(自身を除く): 15907869

約数列:

[1, 3, 5, 9, 15, 45, 683, 701, 2049, 2103, 3415, 3505, 6147, 6309, 10245, 10515, 30735, 31545, 478783, 1436349, 2393915, 4309047, 7181745, 21545235]

約数ペア:

[(1, 21545235), (3, 7181745), (5, 4309047), (9, 2393915), (15, 1436349), (45, 478783), (683, 31545), (701, 30735), (2049, 10515), (2103, 10245), (3415, 6309), (3505, 6147)]