21217365

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36269}}^1$

素因数の和:36293

約数の個数: 24

約数和(自身を含む): 39606840

約数和(自身を除く): 18389475

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36269, 108807, 181345, 326421, 471497, 544035, 1414491, 1632105, 2357485, 4243473, 7072455, 21217365]

約数ペア:

[(1, 21217365), (3, 7072455), (5, 4243473), (9, 2357485), (13, 1632105), (15, 1414491), (39, 544035), (45, 471497), (65, 326421), (117, 181345), (195, 108807), (585, 36269)]