21986332

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1697}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 39936960

約数和(自身を除く): 17950628

約数列:

[1, 2, 4, 41, 79, 82, 158, 164, 316, 1697, 3239, 3394, 6478, 6788, 12956, 69577, 134063, 139154, 268126, 278308, 536252, 5496583, 10993166, 21986332]

約数ペア:

[(1, 21986332), (2, 10993166), (4, 5496583), (41, 536252), (79, 278308), (82, 268126), (158, 139154), (164, 134063), (316, 69577), (1697, 12956), (3239, 6788), (3394, 6478)]