21037041

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{383}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 32348160

約数和(自身を除く): 11311119

約数列:

[1, 3, 9, 17, 51, 153, 359, 383, 1077, 1149, 3231, 3447, 6103, 6511, 18309, 19533, 54927, 58599, 137497, 412491, 1237473, 2337449, 7012347, 21037041]

約数ペア:

[(1, 21037041), (3, 7012347), (9, 2337449), (17, 1237473), (51, 412491), (153, 137497), (359, 58599), (383, 54927), (1077, 19533), (1149, 18309), (3231, 6511), (3447, 6103)]