21859792

素因数分解:

$2^4\times {\mathrm{1151}}^1\times {\mathrm{1187}}^1$

素因数の和:2346

約数の個数: 20

約数和(自身を含む): 42425856

約数和(自身を除く): 20566064

約数列:

[1, 2, 4, 8, 16, 1151, 1187, 2302, 2374, 4604, 4748, 9208, 9496, 18416, 18992, 1366237, 2732474, 5464948, 10929896, 21859792]

約数ペア:

[(1, 21859792), (2, 10929896), (4, 5464948), (8, 2732474), (16, 1366237), (1151, 18992), (1187, 18416), (2302, 9496), (2374, 9208), (4604, 4748)]