21059577

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30389}}^1$

素因数の和:30413

約数の個数: 24

約数和(自身を含む): 37926720

約数和(自身を除く): 16867143

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30389, 91167, 212723, 273501, 334279, 638169, 1002837, 1914507, 2339953, 3008511, 7019859, 21059577]

約数ペア:

[(1, 21059577), (3, 7019859), (7, 3008511), (9, 2339953), (11, 1914507), (21, 1002837), (33, 638169), (63, 334279), (77, 273501), (99, 212723), (231, 91167), (693, 30389)]