21651398170

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3617}}^1\times {\mathrm{8431}}^1$

素因数の和:12126

約数の個数: 32

約数和(自身を含む): 39537040896

約数和(自身を除く): 17885642726

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 3617, 7234, 8431, 16862, 18085, 36170, 42155, 84310, 256807, 513614, 598601, 1197202, 1284035, 2568070, 2993005, 5986010, 30494927, 60989854, 152474635, 304949270, 2165139817, 4330279634, 10825699085, 21651398170]

約数ペア:

[(1, 21651398170), (2, 10825699085), (5, 4330279634), (10, 2165139817), (71, 304949270), (142, 152474635), (355, 60989854), (710, 30494927), (3617, 5986010), (7234, 2993005), (8431, 2568070), (16862, 1284035), (18085, 1197202), (36170, 598601), (42155, 513614), (84310, 256807)]