21262767632

素因数分解:

$2^4\times {\mathrm{4391}}^1\times {\mathrm{302647}}^1$

素因数の和:307046

約数の個数: 20

約数和(自身を含む): 41206130496

約数和(自身を除く): 19943362864

約数列:

[1, 2, 4, 8, 16, 4391, 8782, 17564, 35128, 70256, 302647, 605294, 1210588, 2421176, 4842352, 1328922977, 2657845954, 5315691908, 10631383816, 21262767632]

約数ペア:

[(1, 21262767632), (2, 10631383816), (4, 5315691908), (8, 2657845954), (16, 1328922977), (4391, 4842352), (8782, 2421176), (17564, 1210588), (35128, 605294), (70256, 302647)]