21959812

素因数分解:

$2^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{2137}}^1$

素因数の和:2515

約数の個数: 24

約数和(自身を含む): 44059904

約数和(自身を除く): 22100092

約数列:

[1, 2, 4, 7, 14, 28, 367, 734, 1468, 2137, 2569, 4274, 5138, 8548, 10276, 14959, 29918, 59836, 784279, 1568558, 3137116, 5489953, 10979906, 21959812]

約数ペア:

[(1, 21959812), (2, 10979906), (4, 5489953), (7, 3137116), (14, 1568558), (28, 784279), (367, 59836), (734, 29918), (1468, 14959), (2137, 10276), (2569, 8548), (4274, 5138)]