21037740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350629}}^1$

素因数の和:350641

約数の個数: 24

約数和(自身を含む): 58905840

約数和(自身を除く): 37868100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350629, 701258, 1051887, 1402516, 1753145, 2103774, 3506290, 4207548, 5259435, 7012580, 10518870, 21037740]

約数ペア:

[(1, 21037740), (2, 10518870), (3, 7012580), (4, 5259435), (5, 4207548), (6, 3506290), (10, 2103774), (12, 1753145), (15, 1402516), (20, 1051887), (30, 701258), (60, 350629)]