21063507

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{607}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 28892160

約数和(自身を除く): 7828653

約数列:

[1, 3, 43, 129, 269, 607, 807, 1821, 11567, 26101, 34701, 78303, 163283, 489849, 7021169, 21063507]

約数ペア:

[(1, 21063507), (3, 7021169), (43, 489849), (129, 163283), (269, 78303), (607, 34701), (807, 26101), (1821, 11567)]