21060470

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1657}}^1$

素因数の和:1736

約数の個数: 32

約数和(自身を含む): 40110336

約数和(自身を除く): 19049866

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 1271, 1657, 2542, 3314, 6355, 8285, 12710, 16570, 51367, 67937, 102734, 135874, 256835, 339685, 513670, 679370, 2106047, 4212094, 10530235, 21060470]

約数ペア:

[(1, 21060470), (2, 10530235), (5, 4212094), (10, 2106047), (31, 679370), (41, 513670), (62, 339685), (82, 256835), (155, 135874), (205, 102734), (310, 67937), (410, 51367), (1271, 16570), (1657, 12710), (2542, 8285), (3314, 6355)]