21777888717

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{873877}}^1$

素因数の和:873970

約数の個数: 32

約数和(自身を含む): 35234760960

約数和(自身を除く): 13456872243

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 639, 923, 1917, 2769, 8307, 24921, 873877, 2621631, 7864893, 11360401, 23594679, 34081203, 62045267, 102243609, 186135801, 306730827, 558407403, 806588471, 1675222209, 2419765413, 7259296239, 21777888717]

約数ペア:

[(1, 21777888717), (3, 7259296239), (9, 2419765413), (13, 1675222209), (27, 806588471), (39, 558407403), (71, 306730827), (117, 186135801), (213, 102243609), (351, 62045267), (639, 34081203), (923, 23594679), (1917, 11360401), (2769, 7864893), (8307, 2621631), (24921, 873877)]