21036020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36269}}^1$

素因数の和:36307

約数の個数: 24

約数和(自身を含む): 45700200

約数和(自身を除く): 24664180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 36269, 72538, 145076, 181345, 362690, 725380, 1051801, 2103602, 4207204, 5259005, 10518010, 21036020]

約数ペア:

[(1, 21036020), (2, 10518010), (4, 5259005), (5, 4207204), (10, 2103602), (20, 1051801), (29, 725380), (58, 362690), (116, 181345), (145, 145076), (290, 72538), (580, 36269)]