21136792

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{85229}}^1$

素因数の和:85266

約数の個数: 16

約数和(自身を含む): 40910400

約数和(自身を除く): 19773608

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 85229, 170458, 340916, 681832, 2642099, 5284198, 10568396, 21136792]

約数ペア:

[(1, 21136792), (2, 10568396), (4, 5284198), (8, 2642099), (31, 681832), (62, 340916), (124, 170458), (248, 85229)]