221321898

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1756523}}^1$

素因数の和:1756538

約数の個数: 24

約数和(自身を含む): 548035488

約数和(自身を除く): 326713590

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1756523, 3513046, 5269569, 10539138, 12295661, 15808707, 24591322, 31617414, 36886983, 73773966, 110660949, 221321898]

約数ペア:

[(1, 221321898), (2, 110660949), (3, 73773966), (6, 36886983), (7, 31617414), (9, 24591322), (14, 15808707), (18, 12295661), (21, 10539138), (42, 5269569), (63, 3513046), (126, 1756523)]