21297376

素因数分解:

$2^5\times {\mathrm{349}}^1\times {\mathrm{1907}}^1$

素因数の和:2266

約数の個数: 24

約数和(自身を含む): 42071400

約数和(自身を除く): 20774024

約数列:

[1, 2, 4, 8, 16, 32, 349, 698, 1396, 1907, 2792, 3814, 5584, 7628, 11168, 15256, 30512, 61024, 665543, 1331086, 2662172, 5324344, 10648688, 21297376]

約数ペア:

[(1, 21297376), (2, 10648688), (4, 5324344), (8, 2662172), (16, 1331086), (32, 665543), (349, 61024), (698, 30512), (1396, 15256), (1907, 11168), (2792, 7628), (3814, 5584)]