21394184

素因数分解:

$2^3\times 7^2\times {\mathrm{54577}}^1$

素因数の和:54597

約数の個数: 24

約数和(自身を含む): 46664190

約数和(自身を除く): 25270006

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54577, 109154, 218308, 382039, 436616, 764078, 1528156, 2674273, 3056312, 5348546, 10697092, 21394184]

約数ペア:

[(1, 21394184), (2, 10697092), (4, 5348546), (7, 3056312), (8, 2674273), (14, 1528156), (28, 764078), (49, 436616), (56, 382039), (98, 218308), (196, 109154), (392, 54577)]