21000678

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{907}}^1$

素因数の和:1156

約数の個数: 32

約数和(自身を含む): 44717184

約数和(自身を除く): 23716506

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 227, 454, 681, 907, 1362, 1814, 2721, 3859, 5442, 7718, 11577, 15419, 23154, 30838, 46257, 92514, 205889, 411778, 617667, 1235334, 3500113, 7000226, 10500339, 21000678]

約数ペア:

[(1, 21000678), (2, 10500339), (3, 7000226), (6, 3500113), (17, 1235334), (34, 617667), (51, 411778), (102, 205889), (227, 92514), (454, 46257), (681, 30838), (907, 23154), (1362, 15419), (1814, 11577), (2721, 7718), (3859, 5442)]