21082028950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{800077}}^1$

素因数の和:800137

約数の個数: 48

約数和(自身を含む): 42858578304

約数和(自身を除く): 21776549354

約数列:

[1, 2, 5, 10, 17, 25, 31, 34, 50, 62, 85, 155, 170, 310, 425, 527, 775, 850, 1054, 1550, 2635, 5270, 13175, 26350, 800077, 1600154, 4000385, 8000770, 13601309, 20001925, 24802387, 27202618, 40003850, 49604774, 68006545, 124011935, 136013090, 248023870, 340032725, 421640579, 620059675, 680065450, 843281158, 1240119350, 2108202895, 4216405790, 10541014475, 21082028950]

約数ペア:

[(1, 21082028950), (2, 10541014475), (5, 4216405790), (10, 2108202895), (17, 1240119350), (25, 843281158), (31, 680065450), (34, 620059675), (50, 421640579), (62, 340032725), (85, 248023870), (155, 136013090), (170, 124011935), (310, 68006545), (425, 49604774), (527, 40003850), (775, 27202618), (850, 24802387), (1054, 20001925), (1550, 13601309), (2635, 8000770), (5270, 4000385), (13175, 1600154), (26350, 800077)]