21596336

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43541}}^1$

素因数の和:43580

約数の個数: 20

約数和(自身を含む): 43193664

約数和(自身を除く): 21597328

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43541, 87082, 174164, 348328, 696656, 1349771, 2699542, 5399084, 10798168, 21596336]

約数ペア:

[(1, 21596336), (2, 10798168), (4, 5399084), (8, 2699542), (16, 1349771), (31, 696656), (62, 348328), (124, 174164), (248, 87082), (496, 43541)]