21252998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 36106560

約数和(自身を除く): 14853562

約数列:

[1, 2, 13, 26, 29, 58, 71, 142, 377, 397, 754, 794, 923, 1846, 2059, 4118, 5161, 10322, 11513, 23026, 26767, 28187, 53534, 56374, 149669, 299338, 366431, 732862, 817423, 1634846, 10626499, 21252998]

約数ペア:

[(1, 21252998), (2, 10626499), (13, 1634846), (26, 817423), (29, 732862), (58, 366431), (71, 299338), (142, 149669), (377, 56374), (397, 53534), (754, 28187), (794, 26767), (923, 23026), (1846, 11513), (2059, 10322), (4118, 5161)]