21184216

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{547}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 41034240

約数和(自身を除く): 19850024

約数列:

[1, 2, 4, 8, 47, 94, 103, 188, 206, 376, 412, 547, 824, 1094, 2188, 4376, 4841, 9682, 19364, 25709, 38728, 51418, 56341, 102836, 112682, 205672, 225364, 450728, 2648027, 5296054, 10592108, 21184216]

約数ペア:

[(1, 21184216), (2, 10592108), (4, 5296054), (8, 2648027), (47, 450728), (94, 225364), (103, 205672), (188, 112682), (206, 102836), (376, 56341), (412, 51418), (547, 38728), (824, 25709), (1094, 19364), (2188, 9682), (4376, 4841)]