21546235280

素因数分解:

$2^4\times 5^1\times {\mathrm{269327941}}^1$

素因数の和:269327954

約数の個数: 20

約数和(自身を含む): 50094997212

約数和(自身を除く): 28548761932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269327941, 538655882, 1077311764, 1346639705, 2154623528, 2693279410, 4309247056, 5386558820, 10773117640, 21546235280]

約数ペア:

[(1, 21546235280), (2, 10773117640), (4, 5386558820), (5, 4309247056), (8, 2693279410), (10, 2154623528), (16, 1346639705), (20, 1077311764), (40, 538655882), (80, 269327941)]