21450513

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 13109487

約数列:

[1, 3, 7, 21, 23, 69, 89, 161, 267, 483, 499, 623, 1497, 1869, 2047, 3493, 6141, 10479, 11477, 14329, 34431, 42987, 44411, 80339, 133233, 241017, 310877, 932631, 1021453, 3064359, 7150171, 21450513]

約数ペア:

[(1, 21450513), (3, 7150171), (7, 3064359), (21, 1021453), (23, 932631), (69, 310877), (89, 241017), (161, 133233), (267, 80339), (483, 44411), (499, 42987), (623, 34431), (1497, 14329), (1869, 11477), (2047, 10479), (3493, 6141)]