21239348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1753}}^1$

素因数の和:2003

約数の個数: 24

約数和(自身を含む): 40222728

約数和(自身を除く): 18983380

約数列:

[1, 2, 4, 13, 26, 52, 233, 466, 932, 1753, 3029, 3506, 6058, 7012, 12116, 22789, 45578, 91156, 408449, 816898, 1633796, 5309837, 10619674, 21239348]

約数ペア:

[(1, 21239348), (2, 10619674), (4, 5309837), (13, 1633796), (26, 816898), (52, 408449), (233, 91156), (466, 45578), (932, 22789), (1753, 12116), (3029, 7012), (3506, 6058)]