21223132

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16127}}^1$

素因数の和:16185

約数の個数: 24

約数和(自身を含む): 43352064

約数和(自身を除く): 22128932

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 16127, 32254, 64508, 112889, 225778, 451556, 757969, 1515938, 3031876, 5305783, 10611566, 21223132]

約数ペア:

[(1, 21223132), (2, 10611566), (4, 5305783), (7, 3031876), (14, 1515938), (28, 757969), (47, 451556), (94, 225778), (188, 112889), (329, 64508), (658, 32254), (1316, 16127)]