21289698

素因数分解:

$2^1\times 3^2\times {\mathrm{349}}^1\times {\mathrm{3389}}^1$

素因数の和:3746

約数の個数: 24

約数和(自身を含む): 46273500

約数和(自身を除く): 24983802

約数列:

[1, 2, 3, 6, 9, 18, 349, 698, 1047, 2094, 3141, 3389, 6282, 6778, 10167, 20334, 30501, 61002, 1182761, 2365522, 3548283, 7096566, 10644849, 21289698]

約数ペア:

[(1, 21289698), (2, 10644849), (3, 7096566), (6, 3548283), (9, 2365522), (18, 1182761), (349, 61002), (698, 30501), (1047, 20334), (2094, 10167), (3141, 6778), (3389, 6282)]