21247740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118043}}^1$

素因数の和:118058

約数の個数: 36

約数和(自身を含む): 64452024

約数和(自身を除く): 43204284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118043, 236086, 354129, 472172, 590215, 708258, 1062387, 1180430, 1416516, 1770645, 2124774, 2360860, 3541290, 4249548, 5311935, 7082580, 10623870, 21247740]

約数ペア:

[(1, 21247740), (2, 10623870), (3, 7082580), (4, 5311935), (5, 4249548), (6, 3541290), (9, 2360860), (10, 2124774), (12, 1770645), (15, 1416516), (18, 1180430), (20, 1062387), (30, 708258), (36, 590215), (45, 472172), (60, 354129), (90, 236086), (180, 118043)]