21733384

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 20179256

約数列:

[1, 2, 4, 8, 71, 83, 142, 166, 284, 332, 461, 568, 664, 922, 1844, 3688, 5893, 11786, 23572, 32731, 38263, 47144, 65462, 76526, 130924, 153052, 261848, 306104, 2716673, 5433346, 10866692, 21733384]

約数ペア:

[(1, 21733384), (2, 10866692), (4, 5433346), (8, 2716673), (71, 306104), (83, 261848), (142, 153052), (166, 130924), (284, 76526), (332, 65462), (461, 47144), (568, 38263), (664, 32731), (922, 23572), (1844, 11786), (3688, 5893)]