21744416

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12821}}^1$

素因数の和:12884

約数の個数: 24

約数和(自身を含む): 43620444

約数和(自身を除く): 21876028

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12821, 25642, 51284, 102568, 205136, 410272, 679513, 1359026, 2718052, 5436104, 10872208, 21744416]

約数ペア:

[(1, 21744416), (2, 10872208), (4, 5436104), (8, 2718052), (16, 1359026), (32, 679513), (53, 410272), (106, 205136), (212, 102568), (424, 51284), (848, 25642), (1696, 12821)]