21053662

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 37229760

約数和(自身を除く): 16176098

約数列:

[1, 2, 7, 14, 61, 89, 122, 178, 277, 427, 554, 623, 854, 1246, 1939, 3878, 5429, 10858, 16897, 24653, 33794, 38003, 49306, 76006, 118279, 172571, 236558, 345142, 1503833, 3007666, 10526831, 21053662]

約数ペア:

[(1, 21053662), (2, 10526831), (7, 3007666), (14, 1503833), (61, 345142), (89, 236558), (122, 172571), (178, 118279), (277, 76006), (427, 49306), (554, 38003), (623, 33794), (854, 24653), (1246, 16897), (1939, 10858), (3878, 5429)]