21866446

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{5189}}^1$

素因数の和:5248

約数の個数: 24

約数和(自身を含む): 39049560

約数和(自身を除く): 17183114

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 5189, 10378, 36323, 72646, 223127, 254261, 446254, 508522, 1561889, 3123778, 10933223, 21866446]

約数ペア:

[(1, 21866446), (2, 10933223), (7, 3123778), (14, 1561889), (43, 508522), (49, 446254), (86, 254261), (98, 223127), (301, 72646), (602, 36323), (2107, 10378), (4214, 5189)]