21366560

素因数分解:

$2^5\times 5^1\times {\mathrm{133541}}^1$

素因数の和:133556

約数の個数: 24

約数和(自身を含む): 50478876

約数和(自身を除く): 29112316

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 133541, 267082, 534164, 667705, 1068328, 1335410, 2136656, 2670820, 4273312, 5341640, 10683280, 21366560]

約数ペア:

[(1, 21366560), (2, 10683280), (4, 5341640), (5, 4273312), (8, 2670820), (10, 2136656), (16, 1335410), (20, 1068328), (32, 667705), (40, 534164), (80, 267082), (160, 133541)]