21042630

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 63258624

約数和(自身を除く): 42215994

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 127, 210, 254, 263, 315, 381, 526, 630, 635, 762, 789, 889, 1143, 1270, 1315, 1578, 1778, 1841, 1905, 2286, 2367, 2630, 2667, 3682, 3810, 3945, 4445, 4734, 5334, 5523, 5715, 7890, 8001, 8890, 9205, 11046, 11430, 11835, 13335, 16002, 16569, 18410, 23670, 26670, 27615, 33138, 33401, 40005, 55230, 66802, 80010, 82845, 100203, 165690, 167005, 200406, 233807, 300609, 334010, 467614, 501015, 601218, 701421, 1002030, 1169035, 1402842, 1503045, 2104263, 2338070, 3006090, 3507105, 4208526, 7014210, 10521315, 21042630]

約数ペア:

[(1, 21042630), (2, 10521315), (3, 7014210), (5, 4208526), (6, 3507105), (7, 3006090), (9, 2338070), (10, 2104263), (14, 1503045), (15, 1402842), (18, 1169035), (21, 1002030), (30, 701421), (35, 601218), (42, 501015), (45, 467614), (63, 334010), (70, 300609), (90, 233807), (105, 200406), (126, 167005), (127, 165690), (210, 100203), (254, 82845), (263, 80010), (315, 66802), (381, 55230), (526, 40005), (630, 33401), (635, 33138), (762, 27615), (789, 26670), (889, 23670), (1143, 18410), (1270, 16569), (1315, 16002), (1578, 13335), (1778, 11835), (1841, 11430), (1905, 11046), (2286, 9205), (2367, 8890), (2630, 8001), (2667, 7890), (3682, 5715), (3810, 5523), (3945, 5334), (4445, 4734)]