21031858145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{15061}}^1\times {\mathrm{12143}}^1$

素因数の和:27232

約数の個数: 16

約数和(自身を含む): 26339461632

約数和(自身を除く): 5307603487

約数列:

[1, 5, 23, 115, 12143, 15061, 60715, 75305, 279289, 346403, 1396445, 1732015, 182885723, 914428615, 4206371629, 21031858145]

約数ペア:

[(1, 21031858145), (5, 4206371629), (23, 914428615), (115, 182885723), (12143, 1732015), (15061, 1396445), (60715, 346403), (75305, 279289)]