21005724

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{56467}}^1$

素因数の和:56505

約数の個数: 24

約数和(自身を含む): 50595328

約数和(自身を除く): 29589604

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 56467, 112934, 169401, 225868, 338802, 677604, 1750477, 3500954, 5251431, 7001908, 10502862, 21005724]

約数ペア:

[(1, 21005724), (2, 10502862), (3, 7001908), (4, 5251431), (6, 3500954), (12, 1750477), (31, 677604), (62, 338802), (93, 225868), (124, 169401), (186, 112934), (372, 56467)]