21744424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{499}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 44100000

約数和(自身を除く): 22355576

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 419, 499, 838, 998, 1676, 1996, 3352, 3992, 5447, 6487, 10894, 12974, 21788, 25948, 43576, 51896, 209081, 418162, 836324, 1672648, 2718053, 5436106, 10872212, 21744424]

約数ペア:

[(1, 21744424), (2, 10872212), (4, 5436106), (8, 2718053), (13, 1672648), (26, 836324), (52, 418162), (104, 209081), (419, 51896), (499, 43576), (838, 25948), (998, 21788), (1676, 12974), (1996, 10894), (3352, 6487), (3992, 5447)]