21062023480

素因数分解:

$2^3\times 5^1\times {\mathrm{2917}}^1\times {\mathrm{180511}}^1$

素因数の和:183439

約数の個数: 32

約数和(自身を含む): 47406061440

約数和(自身を除く): 26344037960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2917, 5834, 11668, 14585, 23336, 29170, 58340, 116680, 180511, 361022, 722044, 902555, 1444088, 1805110, 3610220, 7220440, 526550587, 1053101174, 2106202348, 2632752935, 4212404696, 5265505870, 10531011740, 21062023480]

約数ペア:

[(1, 21062023480), (2, 10531011740), (4, 5265505870), (5, 4212404696), (8, 2632752935), (10, 2106202348), (20, 1053101174), (40, 526550587), (2917, 7220440), (5834, 3610220), (11668, 1805110), (14585, 1444088), (23336, 902555), (29170, 722044), (58340, 361022), (116680, 180511)]