21552816

素因数分解:

$2^4\times 3^1\times {\mathrm{277}}^1\times {\mathrm{1621}}^1$

素因数の和:1909

約数の個数: 40

約数和(自身を含む): 55913584

約数和(自身を除く): 34360768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 277, 554, 831, 1108, 1621, 1662, 2216, 3242, 3324, 4432, 4863, 6484, 6648, 9726, 12968, 13296, 19452, 25936, 38904, 77808, 449017, 898034, 1347051, 1796068, 2694102, 3592136, 5388204, 7184272, 10776408, 21552816]

約数ペア:

[(1, 21552816), (2, 10776408), (3, 7184272), (4, 5388204), (6, 3592136), (8, 2694102), (12, 1796068), (16, 1347051), (24, 898034), (48, 449017), (277, 77808), (554, 38904), (831, 25936), (1108, 19452), (1621, 13296), (1662, 12968), (2216, 9726), (3242, 6648), (3324, 6484), (4432, 4863)]