2021157710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1290

約数の個数: 128

約数和(自身を含む): 4593189888

約数和(自身を除く): 2572032178

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 71, 85, 110, 130, 142, 143, 170, 187, 221, 286, 355, 374, 442, 710, 715, 781, 923, 935, 1105, 1171, 1207, 1430, 1562, 1846, 1870, 2210, 2342, 2414, 2431, 3905, 4615, 4862, 5855, 6035, 7810, 9230, 10153, 11710, 12070, 12155, 12881, 13277, 15223, 15691, 19907, 20306, 24310, 25762, 26554, 30446, 31382, 39814, 50765, 64405, 66385, 76115, 78455, 83141, 99535, 101530, 128810, 132770, 152230, 156910, 166282, 167453, 172601, 199070, 218977, 258791, 334906, 345202, 415705, 437954, 517582, 831410, 837265, 863005, 914551, 1080833, 1094885, 1293955, 1413397, 1674530, 1726010, 1829102, 2161666, 2189770, 2587910, 2826794, 2846701, 4572755, 5404165, 5693402, 7066985, 9145510, 10808330, 11889163, 14133970, 14233505, 15547367, 18374161, 23778326, 28467010, 31094734, 36748322, 59445815, 77736835, 91870805, 118891630, 155473670, 183741610, 202115771, 404231542, 1010578855, 2021157710]

約数ペア:

[(1, 2021157710), (2, 1010578855), (5, 404231542), (10, 202115771), (11, 183741610), (13, 155473670), (17, 118891630), (22, 91870805), (26, 77736835), (34, 59445815), (55, 36748322), (65, 31094734), (71, 28467010), (85, 23778326), (110, 18374161), (130, 15547367), (142, 14233505), (143, 14133970), (170, 11889163), (187, 10808330), (221, 9145510), (286, 7066985), (355, 5693402), (374, 5404165), (442, 4572755), (710, 2846701), (715, 2826794), (781, 2587910), (923, 2189770), (935, 2161666), (1105, 1829102), (1171, 1726010), (1207, 1674530), (1430, 1413397), (1562, 1293955), (1846, 1094885), (1870, 1080833), (2210, 914551), (2342, 863005), (2414, 837265), (2431, 831410), (3905, 517582), (4615, 437954), (4862, 415705), (5855, 345202), (6035, 334906), (7810, 258791), (9230, 218977), (10153, 199070), (11710, 172601), (12070, 167453), (12155, 166282), (12881, 156910), (13277, 152230), (15223, 132770), (15691, 128810), (19907, 101530), (20306, 99535), (24310, 83141), (25762, 78455), (26554, 76115), (30446, 66385), (31382, 64405), (39814, 50765)]