21879181808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{124313533}}^1$

素因数の和:124313552

約数の個数: 20

約数和(自身を含む): 46244634648

約数和(自身を除く): 24365452840

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 124313533, 248627066, 497254132, 994508264, 1367448863, 1989016528, 2734897726, 5469795452, 10939590904, 21879181808]

約数ペア:

[(1, 21879181808), (2, 10939590904), (4, 5469795452), (8, 2734897726), (11, 1989016528), (16, 1367448863), (22, 994508264), (44, 497254132), (88, 248627066), (176, 124313533)]