21368800

素因数分解:

$2^5\times 5^2\times {\mathrm{26711}}^1$

素因数の和:26731

約数の個数: 36

約数和(自身を含む): 52168536

約数和(自身を除く): 30799736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26711, 53422, 106844, 133555, 213688, 267110, 427376, 534220, 667775, 854752, 1068440, 1335550, 2136880, 2671100, 4273760, 5342200, 10684400, 21368800]

約数ペア:

[(1, 21368800), (2, 10684400), (4, 5342200), (5, 4273760), (8, 2671100), (10, 2136880), (16, 1335550), (20, 1068440), (25, 854752), (32, 667775), (40, 534220), (50, 427376), (80, 267110), (100, 213688), (160, 133555), (200, 106844), (400, 53422), (800, 26711)]