21109610

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{967}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 39726720

約数和(自身を除く): 18617110

約数列:

[1, 2, 5, 10, 37, 59, 74, 118, 185, 295, 370, 590, 967, 1934, 2183, 4366, 4835, 9670, 10915, 21830, 35779, 57053, 71558, 114106, 178895, 285265, 357790, 570530, 2110961, 4221922, 10554805, 21109610]

約数ペア:

[(1, 21109610), (2, 10554805), (5, 4221922), (10, 2110961), (37, 570530), (59, 357790), (74, 285265), (118, 178895), (185, 114106), (295, 71558), (370, 57053), (590, 35779), (967, 21830), (1934, 10915), (2183, 9670), (4366, 4835)]