21979554

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 45479616

約数和(自身を除く): 23500062

約数列:

[1, 2, 3, 6, 37, 74, 111, 181, 222, 362, 543, 547, 1086, 1094, 1641, 3282, 6697, 13394, 20091, 20239, 40182, 40478, 60717, 99007, 121434, 198014, 297021, 594042, 3663259, 7326518, 10989777, 21979554]

約数ペア:

[(1, 21979554), (2, 10989777), (3, 7326518), (6, 3663259), (37, 594042), (74, 297021), (111, 198014), (181, 121434), (222, 99007), (362, 60717), (543, 40478), (547, 40182), (1086, 20239), (1094, 20091), (1641, 13394), (3282, 6697)]