21858854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{12239}}^1$

素因数の和:12307

約数の個数: 16

約数和(自身を含む): 35251200

約数和(自身を除く): 13392346

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 12239, 24478, 232541, 465082, 575233, 1150466, 10929427, 21858854]

約数ペア:

[(1, 21858854), (2, 10929427), (19, 1150466), (38, 575233), (47, 465082), (94, 232541), (893, 24478), (1786, 12239)]