21799004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2957}}^1$

素因数の和:3077

約数の個数: 24

約数和(自身を含む): 40583760

約数和(自身を除く): 18784756

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 2957, 3686, 5914, 7372, 11828, 56183, 112366, 224732, 286829, 573658, 1147316, 5449751, 10899502, 21799004]

約数ペア:

[(1, 21799004), (2, 10899502), (4, 5449751), (19, 1147316), (38, 573658), (76, 286829), (97, 224732), (194, 112366), (388, 56183), (1843, 11828), (2957, 7372), (3686, 5914)]