21791212296

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1979}}^1\times {\mathrm{65543}}^1$

素因数の和:67538

約数の個数: 64

約数和(自身を含む): 62293017600

約数和(自身を除く): 40501805304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1979, 3958, 5937, 7916, 11874, 13853, 15832, 23748, 27706, 41559, 47496, 55412, 65543, 83118, 110824, 131086, 166236, 196629, 262172, 332472, 393258, 458801, 524344, 786516, 917602, 1376403, 1573032, 1835204, 2752806, 3670408, 5505612, 11011224, 129709597, 259419194, 389128791, 518838388, 778257582, 907967179, 1037676776, 1556515164, 1815934358, 2723901537, 3113030328, 3631868716, 5447803074, 7263737432, 10895606148, 21791212296]

約数ペア:

[(1, 21791212296), (2, 10895606148), (3, 7263737432), (4, 5447803074), (6, 3631868716), (7, 3113030328), (8, 2723901537), (12, 1815934358), (14, 1556515164), (21, 1037676776), (24, 907967179), (28, 778257582), (42, 518838388), (56, 389128791), (84, 259419194), (168, 129709597), (1979, 11011224), (3958, 5505612), (5937, 3670408), (7916, 2752806), (11874, 1835204), (13853, 1573032), (15832, 1376403), (23748, 917602), (27706, 786516), (41559, 524344), (47496, 458801), (55412, 393258), (65543, 332472), (83118, 262172), (110824, 196629), (131086, 166236)]