21480004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59011}}^1$

素因数の和:59035

約数の個数: 24

約数和(自身を含む): 46265408

約数和(自身を除く): 24785404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 59011, 118022, 236044, 413077, 767143, 826154, 1534286, 1652308, 3068572, 5370001, 10740002, 21480004]

約数ペア:

[(1, 21480004), (2, 10740002), (4, 5370001), (7, 3068572), (13, 1652308), (14, 1534286), (26, 826154), (28, 767143), (52, 413077), (91, 236044), (182, 118022), (364, 59011)]