21792730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2311}}^1$

素因数の和:2382

約数の個数: 32

約数和(自身を含む): 41948928

約数和(自身を除く): 20156198

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 2311, 4622, 4715, 9430, 11555, 23110, 53153, 94751, 106306, 189502, 265765, 473755, 531530, 947510, 2179273, 4358546, 10896365, 21792730]

約数ペア:

[(1, 21792730), (2, 10896365), (5, 4358546), (10, 2179273), (23, 947510), (41, 531530), (46, 473755), (82, 265765), (115, 189502), (205, 106306), (230, 94751), (410, 53153), (943, 23110), (1886, 11555), (2311, 9430), (4622, 4715)]