21904744

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 20863256

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 263, 359, 526, 718, 1052, 1436, 2104, 2872, 7627, 10411, 15254, 20822, 30508, 41644, 61016, 83288, 94417, 188834, 377668, 755336, 2738093, 5476186, 10952372, 21904744]

約数ペア:

[(1, 21904744), (2, 10952372), (4, 5476186), (8, 2738093), (29, 755336), (58, 377668), (116, 188834), (232, 94417), (263, 83288), (359, 61016), (526, 41644), (718, 30508), (1052, 20822), (1436, 15254), (2104, 10411), (2872, 7627)]