21437097

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 32532864

約数和(自身を除く): 11095767

約数列:

[1, 3, 11, 33, 37, 97, 111, 181, 291, 407, 543, 1067, 1221, 1991, 3201, 3589, 5973, 6697, 10767, 17557, 20091, 39479, 52671, 73667, 118437, 193127, 221001, 579381, 649609, 1948827, 7145699, 21437097]

約数ペア:

[(1, 21437097), (3, 7145699), (11, 1948827), (33, 649609), (37, 579381), (97, 221001), (111, 193127), (181, 118437), (291, 73667), (407, 52671), (543, 39479), (1067, 20091), (1221, 17557), (1991, 10767), (3201, 6697), (3589, 5973)]