21897798

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5297}}^1$

素因数の和:5368

約数の個数: 32

約数和(自身を含む): 48063456

約数和(自身を除く): 26165658

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 5297, 10594, 15891, 31782, 68861, 137722, 206583, 280741, 413166, 561482, 842223, 1684446, 3649633, 7299266, 10948899, 21897798]

約数ペア:

[(1, 21897798), (2, 10948899), (3, 7299266), (6, 3649633), (13, 1684446), (26, 842223), (39, 561482), (53, 413166), (78, 280741), (106, 206583), (159, 137722), (318, 68861), (689, 31782), (1378, 15891), (2067, 10594), (4134, 5297)]