21095094391

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{5783}}^1$

素因数の和:6115

約数の個数: 32

約数和(自身を含む): 25497722880

約数和(自身を除く): 4402628489

約数列:

[1, 7, 23, 139, 161, 163, 973, 1141, 3197, 3749, 5783, 22379, 22657, 26243, 40481, 133009, 158599, 521111, 803837, 931063, 942629, 3647777, 5626859, 6598403, 18488251, 21680467, 129417757, 131025431, 151763269, 917178017, 3013584913, 21095094391]

約数ペア:

[(1, 21095094391), (7, 3013584913), (23, 917178017), (139, 151763269), (161, 131025431), (163, 129417757), (973, 21680467), (1141, 18488251), (3197, 6598403), (3749, 5626859), (5783, 3647777), (22379, 942629), (22657, 931063), (26243, 803837), (40481, 521111), (133009, 158599)]