21249074

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4451}}^1$

素因数の和:4502

約数の個数: 32

約数和(自身を含む): 41029632

約数和(自身を除く): 19780558

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4451, 4774, 8902, 31157, 48961, 62314, 97922, 137981, 275962, 342727, 685454, 965867, 1517791, 1931734, 3035582, 10624537, 21249074]

約数ペア:

[(1, 21249074), (2, 10624537), (7, 3035582), (11, 1931734), (14, 1517791), (22, 965867), (31, 685454), (62, 342727), (77, 275962), (154, 137981), (217, 97922), (341, 62314), (434, 48961), (682, 31157), (2387, 8902), (4451, 4774)]