21207456

素因数分解:

$2^5\times 3^2\times {\mathrm{73637}}^1$

素因数の和:73653

約数の個数: 36

約数和(自身を含む): 60309522

約数和(自身を除く): 39102066

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 73637, 147274, 220911, 294548, 441822, 589096, 662733, 883644, 1178192, 1325466, 1767288, 2356384, 2650932, 3534576, 5301864, 7069152, 10603728, 21207456]

約数ペア:

[(1, 21207456), (2, 10603728), (3, 7069152), (4, 5301864), (6, 3534576), (8, 2650932), (9, 2356384), (12, 1767288), (16, 1325466), (18, 1178192), (24, 883644), (32, 662733), (36, 589096), (48, 441822), (72, 294548), (96, 220911), (144, 147274), (288, 73637)]