21621692

素因数分解:

$2^2\times {\mathrm{47}}^2\times {\mathrm{2447}}^1$

素因数の和:2545

約数の個数: 18

約数和(自身を含む): 38675952

約数和(自身を除く): 17054260

約数列:

[1, 2, 4, 47, 94, 188, 2209, 2447, 4418, 4894, 8836, 9788, 115009, 230018, 460036, 5405423, 10810846, 21621692]

約数ペア:

[(1, 21621692), (2, 10810846), (4, 5405423), (47, 460036), (94, 230018), (188, 115009), (2209, 9788), (2447, 8836), (4418, 4894)]