21844880

素因数分解:

$2^4\times 5^1\times {\mathrm{273061}}^1$

素因数の和:273074

約数の個数: 20

約数和(自身を含む): 50789532

約数和(自身を除く): 28944652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 273061, 546122, 1092244, 1365305, 2184488, 2730610, 4368976, 5461220, 10922440, 21844880]

約数ペア:

[(1, 21844880), (2, 10922440), (4, 5461220), (5, 4368976), (8, 2730610), (10, 2184488), (16, 1365305), (20, 1092244), (40, 546122), (80, 273061)]