21951530

素因数分解:

$2^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{3581}}^1$

素因数の和:4201

約数の個数: 16

約数和(自身を含む): 39588264

約数和(自身を除く): 17636734

約数列:

[1, 2, 5, 10, 613, 1226, 3065, 3581, 6130, 7162, 17905, 35810, 2195153, 4390306, 10975765, 21951530]

約数ペア:

[(1, 21951530), (2, 10975765), (5, 4390306), (10, 2195153), (613, 35810), (1226, 17905), (3065, 7162), (3581, 6130)]