21912099

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 34110720

約数和(自身を除く): 12198621

約数列:

[1, 3, 11, 17, 33, 51, 139, 187, 281, 417, 561, 843, 1529, 2363, 3091, 4587, 4777, 7089, 9273, 14331, 25993, 39059, 52547, 77979, 117177, 157641, 429649, 664003, 1288947, 1992009, 7304033, 21912099]

約数ペア:

[(1, 21912099), (3, 7304033), (11, 1992009), (17, 1288947), (33, 664003), (51, 429649), (139, 157641), (187, 117177), (281, 77979), (417, 52547), (561, 39059), (843, 25993), (1529, 14331), (2363, 9273), (3091, 7089), (4587, 4777)]