21012532513

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{4513}}^1\times {\mathrm{16223}}^1$

素因数の和:20784

約数の個数: 16

約数和(自身を含む): 24607005696

約数和(自身を除く): 3594473183

約数列:

[1, 7, 41, 287, 4513, 16223, 31591, 113561, 185033, 665143, 1295231, 4656001, 73214399, 512500793, 3001790359, 21012532513]

約数ペア:

[(1, 21012532513), (7, 3001790359), (41, 512500793), (287, 73214399), (4513, 4656001), (16223, 1295231), (31591, 665143), (113561, 185033)]