21931530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43003}}^1$

素因数の和:43030

約数の個数: 32

約数和(自身を含む): 55733184

約数和(自身を除く): 33801654

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 43003, 86006, 129009, 215015, 258018, 430030, 645045, 731051, 1290090, 1462102, 2193153, 3655255, 4386306, 7310510, 10965765, 21931530]

約数ペア:

[(1, 21931530), (2, 10965765), (3, 7310510), (5, 4386306), (6, 3655255), (10, 2193153), (15, 1462102), (17, 1290090), (30, 731051), (34, 645045), (51, 430030), (85, 258018), (102, 215015), (170, 129009), (255, 86006), (510, 43003)]