21523401

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{6481}}^1$

素因数の和:6534

約数の個数: 20

約数和(自身を含む): 32941524

約数和(自身を除く): 11418123

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 6481, 19443, 58329, 174987, 265721, 524961, 797163, 2391489, 7174467, 21523401]

約数ペア:

[(1, 21523401), (3, 7174467), (9, 2391489), (27, 797163), (41, 524961), (81, 265721), (123, 174987), (369, 58329), (1107, 19443), (3321, 6481)]