21815698317

素因数分解:

$3^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{198139}}^1$

素因数の和:198270

約数の個数: 32

約数和(自身を含む): 34238592000

約数和(自身を除く): 12422893683

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 343, 749, 1029, 2247, 5243, 15729, 36701, 110103, 198139, 594417, 1386973, 4160919, 9708811, 21200873, 29126433, 63602619, 67961677, 148406111, 203885031, 445218333, 1038842777, 3116528331, 7271899439, 21815698317]

約数ペア:

[(1, 21815698317), (3, 7271899439), (7, 3116528331), (21, 1038842777), (49, 445218333), (107, 203885031), (147, 148406111), (321, 67961677), (343, 63602619), (749, 29126433), (1029, 21200873), (2247, 9708811), (5243, 4160919), (15729, 1386973), (36701, 594417), (110103, 198139)]