21004701

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3371}}^1$

素因数の和:3472

約数の個数: 16

約数和(自身を含む): 29349888

約数和(自身を除く): 8345187

約数列:

[1, 3, 31, 67, 93, 201, 2077, 3371, 6231, 10113, 104501, 225857, 313503, 677571, 7001567, 21004701]

約数ペア:

[(1, 21004701), (3, 7001567), (31, 677571), (67, 313503), (93, 225857), (201, 104501), (2077, 10113), (3371, 6231)]