21223113

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{601}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 28896000

約数和(自身を除く): 7672887

約数列:

[1, 3, 79, 149, 237, 447, 601, 1803, 11771, 35313, 47479, 89549, 142437, 268647, 7074371, 21223113]

約数ペア:

[(1, 21223113), (3, 7074371), (79, 268647), (149, 142437), (237, 89549), (447, 47479), (601, 35313), (1803, 11771)]