21934448

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{8209}}^1$

素因数の和:8384

約数の個数: 20

約数和(自身を含む): 42757680

約数和(自身を除く): 20823232

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 8209, 16418, 32836, 65672, 131344, 1370903, 2741806, 5483612, 10967224, 21934448]

約数ペア:

[(1, 21934448), (2, 10967224), (4, 5483612), (8, 2741806), (16, 1370903), (167, 131344), (334, 65672), (668, 32836), (1336, 16418), (2672, 8209)]