21111093

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4451}}^1$

素因数の和:4505

約数の個数: 24

約数和(自身を含む): 33336576

約数和(自身を除く): 12225483

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4451, 4743, 13353, 40059, 75667, 137981, 227001, 413943, 681003, 1241829, 2345677, 7037031, 21111093]

約数ペア:

[(1, 21111093), (3, 7037031), (9, 2345677), (17, 1241829), (31, 681003), (51, 413943), (93, 227001), (153, 137981), (279, 75667), (527, 40059), (1581, 13353), (4451, 4743)]