21858318

素因数分解:

$2^1\times 3^2\times {\mathrm{271}}^1\times {\mathrm{4481}}^1$

素因数の和:4760

約数の個数: 24

約数和(自身を含む): 47545056

約数和(自身を除く): 25686738

約数列:

[1, 2, 3, 6, 9, 18, 271, 542, 813, 1626, 2439, 4481, 4878, 8962, 13443, 26886, 40329, 80658, 1214351, 2428702, 3643053, 7286106, 10929159, 21858318]

約数ペア:

[(1, 21858318), (2, 10929159), (3, 7286106), (6, 3643053), (9, 2428702), (18, 1214351), (271, 80658), (542, 40329), (813, 26886), (1626, 13443), (2439, 8962), (4481, 4878)]