21255898

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4639}}^1$

素因数の和:4749

約数の個数: 16

約数和(自身を含む): 33408000

約数和(自身を除く): 12152102

約数列:

[1, 2, 29, 58, 79, 158, 2291, 4582, 4639, 9278, 134531, 269062, 366481, 732962, 10627949, 21255898]

約数ペア:

[(1, 21255898), (2, 10627949), (29, 732962), (58, 366481), (79, 269062), (158, 134531), (2291, 9278), (4582, 4639)]