21109795

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{16301}}^1$

素因数の和:16350

約数の個数: 16

約数和(自身を含む): 29734848

約数和(自身を除く): 8625053

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 16301, 81505, 114107, 570535, 603137, 3015685, 4221959, 21109795]

約数ペア:

[(1, 21109795), (5, 4221959), (7, 3015685), (35, 603137), (37, 570535), (185, 114107), (259, 81505), (1295, 16301)]