21172783

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:502

約数の個数: 16

約数和(自身を含む): 23296000

約数和(自身を除く): 2123217

約数列:

[1, 19, 31, 103, 349, 589, 1957, 3193, 6631, 10819, 35947, 60667, 205561, 682993, 1114357, 21172783]

約数ペア:

[(1, 21172783), (19, 1114357), (31, 682993), (103, 205561), (349, 60667), (589, 35947), (1957, 10819), (3193, 6631)]