21919851

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6229}}^1$

素因数の和:6275

約数の個数: 24

約数和(自身を含む): 34987680

約数和(自身を除く): 13067829

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 6229, 18687, 56061, 105893, 143267, 317679, 429801, 953037, 1289403, 2435539, 7306617, 21919851]

約数ペア:

[(1, 21919851), (3, 7306617), (9, 2435539), (17, 1289403), (23, 953037), (51, 429801), (69, 317679), (153, 143267), (207, 105893), (391, 56061), (1173, 18687), (3519, 6229)]