21789466

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 14498534

約数列:

[1, 2, 19, 31, 38, 53, 62, 106, 349, 589, 698, 1007, 1178, 1643, 2014, 3286, 6631, 10819, 13262, 18497, 21638, 31217, 36994, 62434, 205561, 351443, 411122, 573407, 702886, 1146814, 10894733, 21789466]

約数ペア:

[(1, 21789466), (2, 10894733), (19, 1146814), (31, 702886), (38, 573407), (53, 411122), (62, 351443), (106, 205561), (349, 62434), (589, 36994), (698, 31217), (1007, 21638), (1178, 18497), (1643, 13262), (2014, 10819), (3286, 6631)]