21000325642

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{3727}}^1\times {\mathrm{25847}}^1$

素因数の和:29685

約数の個数: 16

約数和(自身を含む): 31799243520

約数和(自身を除く): 10798917878

約数列:

[1, 2, 109, 218, 3727, 7454, 25847, 51694, 406243, 812486, 2817323, 5634646, 96331769, 192663538, 10500162821, 21000325642]

約数ペア:

[(1, 21000325642), (2, 10500162821), (109, 192663538), (218, 96331769), (3727, 5634646), (7454, 2817323), (25847, 812486), (51694, 406243)]