21554854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{2477}}^1$

素因数の和:2727

約数の個数: 16

約数和(自身を含む): 34196400

約数和(自身を除く): 12641546

約数列:

[1, 2, 19, 38, 229, 458, 2477, 4351, 4954, 8702, 47063, 94126, 567233, 1134466, 10777427, 21554854]

約数ペア:

[(1, 21554854), (2, 10777427), (19, 1134466), (38, 567233), (229, 94126), (458, 47063), (2477, 8702), (4351, 4954)]