21576837

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{12211}}^1$

素因数の和:12264

約数の個数: 16

約数和(自身を含む): 31262720

約数和(自身を除く): 9685883

約数列:

[1, 3, 19, 31, 57, 93, 589, 1767, 12211, 36633, 232009, 378541, 696027, 1135623, 7192279, 21576837]

約数ペア:

[(1, 21576837), (3, 7192279), (19, 1135623), (31, 696027), (57, 378541), (93, 232009), (589, 36633), (1767, 12211)]