21894188

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{1091}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 39901680

約数和(自身を除く): 18007492

約数列:

[1, 2, 4, 29, 58, 116, 173, 346, 692, 1091, 2182, 4364, 5017, 10034, 20068, 31639, 63278, 126556, 188743, 377486, 754972, 5473547, 10947094, 21894188]

約数ペア:

[(1, 21894188), (2, 10947094), (4, 5473547), (29, 754972), (58, 377486), (116, 188743), (173, 126556), (346, 63278), (692, 31639), (1091, 20068), (2182, 10034), (4364, 5017)]