21795282

素因数分解:

$2^1\times 3^2\times {\mathrm{641}}^1\times {\mathrm{1889}}^1$

素因数の和:2538

約数の個数: 24

約数和(自身を含む): 47321820

約数和(自身を除く): 25526538

約数列:

[1, 2, 3, 6, 9, 18, 641, 1282, 1889, 1923, 3778, 3846, 5667, 5769, 11334, 11538, 17001, 34002, 1210849, 2421698, 3632547, 7265094, 10897641, 21795282]

約数ペア:

[(1, 21795282), (2, 10897641), (3, 7265094), (6, 3632547), (9, 2421698), (18, 1210849), (641, 34002), (1282, 17001), (1889, 11538), (1923, 11334), (3778, 5769), (3846, 5667)]