21924265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2539}}^1$

素因数の和:2712

約数の個数: 16

約数和(自身を含む): 28895040

約数和(自身を除く): 6970775

約数列:

[1, 5, 11, 55, 157, 785, 1727, 2539, 8635, 12695, 27929, 139645, 398623, 1993115, 4384853, 21924265]

約数ペア:

[(1, 21924265), (5, 4384853), (11, 1993115), (55, 398623), (157, 139645), (785, 27929), (1727, 12695), (2539, 8635)]