21106077652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{609509}}^1$

素因数の和:610311

約数の個数: 24

約数和(自身を含む): 40344685920

約数和(自身を除く): 19238608268

約数列:

[1, 2, 4, 11, 22, 44, 787, 1574, 3148, 8657, 17314, 34628, 609509, 1219018, 2438036, 6704599, 13409198, 26818396, 479683583, 959367166, 1918734332, 5276519413, 10553038826, 21106077652]

約数ペア:

[(1, 21106077652), (2, 10553038826), (4, 5276519413), (11, 1918734332), (22, 959367166), (44, 479683583), (787, 26818396), (1574, 13409198), (3148, 6704599), (8657, 2438036), (17314, 1219018), (34628, 609509)]