21447184

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{523}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 45613152

約数和(自身を除く): 24165968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 233, 466, 523, 932, 1046, 1864, 2092, 2563, 3728, 4184, 5126, 5753, 8368, 10252, 11506, 20504, 23012, 41008, 46024, 92048, 121859, 243718, 487436, 974872, 1340449, 1949744, 2680898, 5361796, 10723592, 21447184]

約数ペア:

[(1, 21447184), (2, 10723592), (4, 5361796), (8, 2680898), (11, 1949744), (16, 1340449), (22, 974872), (44, 487436), (88, 243718), (176, 121859), (233, 92048), (466, 46024), (523, 41008), (932, 23012), (1046, 20504), (1864, 11506), (2092, 10252), (2563, 8368), (3728, 5753), (4184, 5126)]