21550120060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{585283}}^1$

素因数の和:585562

約数の個数: 48

約数和(自身を含む): 51917031936

約数和(自身を除く): 30366911876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1841, 2630, 3682, 5260, 7364, 9205, 18410, 36820, 585283, 1170566, 2341132, 2926415, 4096981, 5852830, 8193962, 11705660, 16387924, 20484905, 40969810, 81939620, 153929429, 307858858, 615717716, 769647145, 1077506003, 1539294290, 2155012006, 3078588580, 4310024012, 5387530015, 10775060030, 21550120060]

約数ペア:

[(1, 21550120060), (2, 10775060030), (4, 5387530015), (5, 4310024012), (7, 3078588580), (10, 2155012006), (14, 1539294290), (20, 1077506003), (28, 769647145), (35, 615717716), (70, 307858858), (140, 153929429), (263, 81939620), (526, 40969810), (1052, 20484905), (1315, 16387924), (1841, 11705660), (2630, 8193962), (3682, 5852830), (5260, 4096981), (7364, 2926415), (9205, 2341132), (18410, 1170566), (36820, 585283)]