12921426

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{102551}}^1$

素因数の和:102566

約数の個数: 24

約数和(自身を含む): 31996224

約数和(自身を除く): 19074798

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 102551, 205102, 307653, 615306, 717857, 922959, 1435714, 1845918, 2153571, 4307142, 6460713, 12921426]

約数ペア:

[(1, 12921426), (2, 6460713), (3, 4307142), (6, 2153571), (7, 1845918), (9, 1435714), (14, 922959), (18, 717857), (21, 615306), (42, 307653), (63, 205102), (126, 102551)]