21192968

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{547}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 41428800

約数和(自身を除く): 20235832

約数列:

[1, 2, 4, 8, 29, 58, 116, 167, 232, 334, 547, 668, 1094, 1336, 2188, 4376, 4843, 9686, 15863, 19372, 31726, 38744, 63452, 91349, 126904, 182698, 365396, 730792, 2649121, 5298242, 10596484, 21192968]

約数ペア:

[(1, 21192968), (2, 10596484), (4, 5298242), (8, 2649121), (29, 730792), (58, 365396), (116, 182698), (167, 126904), (232, 91349), (334, 63452), (547, 38744), (668, 31726), (1094, 19372), (1336, 15863), (2188, 9686), (4376, 4843)]