21608073

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{577}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 34217600

約数和(自身を除く): 12609527

約数列:

[1, 3, 9, 19, 27, 57, 73, 171, 219, 513, 577, 657, 1387, 1731, 1971, 4161, 5193, 10963, 12483, 15579, 32889, 37449, 42121, 98667, 126363, 296001, 379089, 800299, 1137267, 2400897, 7202691, 21608073]

約数ペア:

[(1, 21608073), (3, 7202691), (9, 2400897), (19, 1137267), (27, 800299), (57, 379089), (73, 296001), (171, 126363), (219, 98667), (513, 42121), (577, 37449), (657, 32889), (1387, 15579), (1731, 12483), (1971, 10963), (4161, 5193)]