21283011

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 31590000

約数和(自身を除く): 10306989

約数列:

[1, 3, 9, 59, 149, 177, 269, 447, 531, 807, 1341, 2421, 8791, 15871, 26373, 40081, 47613, 79119, 120243, 142839, 360729, 2364779, 7094337, 21283011]

約数ペア:

[(1, 21283011), (3, 7094337), (9, 2364779), (59, 360729), (149, 142839), (177, 120243), (269, 79119), (447, 47613), (531, 40081), (807, 26373), (1341, 15871), (2421, 8791)]