21609870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17569}}^1$

素因数の和:17620

約数の個数: 32

約数和(自身を含む): 53131680

約数和(自身を除く): 31521810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 17569, 35138, 52707, 87845, 105414, 175690, 263535, 527070, 720329, 1440658, 2160987, 3601645, 4321974, 7203290, 10804935, 21609870]

約数ペア:

[(1, 21609870), (2, 10804935), (3, 7203290), (5, 4321974), (6, 3601645), (10, 2160987), (15, 1440658), (30, 720329), (41, 527070), (82, 263535), (123, 175690), (205, 105414), (246, 87845), (410, 52707), (615, 35138), (1230, 17569)]