21332290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1579}}^1$

素因数の和:1786

約数の個数: 32

約数和(自身を含む): 44138880

約数和(自身を除く): 22806590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 965, 1351, 1579, 1930, 2702, 3158, 6755, 7895, 11053, 13510, 15790, 22106, 55265, 110530, 304747, 609494, 1523735, 2133229, 3047470, 4266458, 10666145, 21332290]

約数ペア:

[(1, 21332290), (2, 10666145), (5, 4266458), (7, 3047470), (10, 2133229), (14, 1523735), (35, 609494), (70, 304747), (193, 110530), (386, 55265), (965, 22106), (1351, 15790), (1579, 13510), (1930, 11053), (2702, 7895), (3158, 6755)]