21268784

素因数分解:

$2^4\times {\mathrm{37}}^2\times {\mathrm{971}}^1$

素因数の和:1053

約数の個数: 30

約数和(自身を含む): 42395724

約数和(自身を除く): 21126940

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 971, 1369, 1942, 2738, 3884, 5476, 7768, 10952, 15536, 21904, 35927, 71854, 143708, 287416, 574832, 1329299, 2658598, 5317196, 10634392, 21268784]

約数ペア:

[(1, 21268784), (2, 10634392), (4, 5317196), (8, 2658598), (16, 1329299), (37, 574832), (74, 287416), (148, 143708), (296, 71854), (592, 35927), (971, 21904), (1369, 15536), (1942, 10952), (2738, 7768), (3884, 5476)]