21031755363

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{4157}}^1\times {\mathrm{13711}}^1$

素因数の和:17915

約数の個数: 24

約数和(自身を含む): 31129914816

約数和(自身を除く): 10098159453

約数列:

[1, 3, 9, 41, 123, 369, 4157, 12471, 13711, 37413, 41133, 123399, 170437, 511311, 562151, 1533933, 1686453, 5059359, 56996627, 170989881, 512969643, 2336861707, 7010585121, 21031755363]

約数ペア:

[(1, 21031755363), (3, 7010585121), (9, 2336861707), (41, 512969643), (123, 170989881), (369, 56996627), (4157, 5059359), (12471, 1686453), (13711, 1533933), (37413, 562151), (41133, 511311), (123399, 170437)]