21773770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{487}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 41741568

約数和(自身を除く): 19967798

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 263, 487, 526, 974, 1315, 2435, 2630, 4471, 4870, 8279, 8942, 16558, 22355, 41395, 44710, 82790, 128081, 256162, 640405, 1280810, 2177377, 4354754, 10886885, 21773770]

約数ペア:

[(1, 21773770), (2, 10886885), (5, 4354754), (10, 2177377), (17, 1280810), (34, 640405), (85, 256162), (170, 128081), (263, 82790), (487, 44710), (526, 41395), (974, 22355), (1315, 16558), (2435, 8942), (2630, 8279), (4471, 4870)]