21828692

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{709}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 39362400

約数和(自身を除く): 17533708

約数列:

[1, 2, 4, 43, 86, 172, 179, 358, 709, 716, 1418, 2836, 7697, 15394, 30487, 30788, 60974, 121948, 126911, 253822, 507644, 5457173, 10914346, 21828692]

約数ペア:

[(1, 21828692), (2, 10914346), (4, 5457173), (43, 507644), (86, 253822), (172, 126911), (179, 121948), (358, 60974), (709, 30788), (716, 30487), (1418, 15394), (2836, 7697)]