21542256

素因数分解:

$2^4\times 3^2\times {\mathrm{211}}^1\times {\mathrm{709}}^1$

素因数の和:934

約数の個数: 60

約数和(自身を含む): 60659560

約数和(自身を除く): 39117304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 211, 422, 633, 709, 844, 1266, 1418, 1688, 1899, 2127, 2532, 2836, 3376, 3798, 4254, 5064, 5672, 6381, 7596, 8508, 10128, 11344, 12762, 15192, 17016, 25524, 30384, 34032, 51048, 102096, 149599, 299198, 448797, 598396, 897594, 1196792, 1346391, 1795188, 2393584, 2692782, 3590376, 5385564, 7180752, 10771128, 21542256]

約数ペア:

[(1, 21542256), (2, 10771128), (3, 7180752), (4, 5385564), (6, 3590376), (8, 2692782), (9, 2393584), (12, 1795188), (16, 1346391), (18, 1196792), (24, 897594), (36, 598396), (48, 448797), (72, 299198), (144, 149599), (211, 102096), (422, 51048), (633, 34032), (709, 30384), (844, 25524), (1266, 17016), (1418, 15192), (1688, 12762), (1899, 11344), (2127, 10128), (2532, 8508), (2836, 7596), (3376, 6381), (3798, 5672), (4254, 5064)]