21499754

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{1931}}^1$

素因数の和:2245

約数の個数: 16

約数和(自身を含む): 34080480

約数和(自身を除く): 12580726

約数列:

[1, 2, 19, 38, 293, 586, 1931, 3862, 5567, 11134, 36689, 73378, 565783, 1131566, 10749877, 21499754]

約数ペア:

[(1, 21499754), (2, 10749877), (19, 1131566), (38, 565783), (293, 73378), (586, 36689), (1931, 11134), (3862, 5567)]