21325192

素因数分解:

$2^3\times 7^2\times {\mathrm{54401}}^1$

素因数の和:54421

約数の個数: 24

約数和(自身を含む): 46513710

約数和(自身を除く): 25188518

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54401, 108802, 217604, 380807, 435208, 761614, 1523228, 2665649, 3046456, 5331298, 10662596, 21325192]

約数ペア:

[(1, 21325192), (2, 10662596), (4, 5331298), (7, 3046456), (8, 2665649), (14, 1523228), (28, 761614), (49, 435208), (56, 380807), (98, 217604), (196, 108802), (392, 54401)]