21596685

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 38738112

約数和(自身を除く): 17141427

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 121, 163, 165, 219, 363, 365, 489, 605, 803, 815, 1095, 1793, 1815, 2409, 2445, 4015, 5379, 8833, 8965, 11899, 12045, 19723, 26499, 26895, 35697, 44165, 59169, 59495, 98615, 130889, 132495, 178485, 295845, 392667, 654445, 1439779, 1963335, 4319337, 7198895, 21596685]

約数ペア:

[(1, 21596685), (3, 7198895), (5, 4319337), (11, 1963335), (15, 1439779), (33, 654445), (55, 392667), (73, 295845), (121, 178485), (163, 132495), (165, 130889), (219, 98615), (363, 59495), (365, 59169), (489, 44165), (605, 35697), (803, 26895), (815, 26499), (1095, 19723), (1793, 12045), (1815, 11899), (2409, 8965), (2445, 8833), (4015, 5379)]