21039297

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 30101760

約数和(自身を除く): 9062463

約数列:

[1, 3, 29, 31, 87, 93, 269, 807, 841, 899, 2523, 2697, 7801, 8339, 23403, 25017, 26071, 78213, 226229, 241831, 678687, 725493, 7013099, 21039297]

約数ペア:

[(1, 21039297), (3, 7013099), (29, 725493), (31, 678687), (87, 241831), (93, 226229), (269, 78213), (807, 26071), (841, 25017), (899, 23403), (2523, 8339), (2697, 7801)]