21840454

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{3209}}^1$

素因数の和:3335

約数の個数: 16

約数和(自身を含む): 33974640

約数和(自身を除く): 12134186

約数列:

[1, 2, 41, 82, 83, 166, 3209, 3403, 6418, 6806, 131569, 263138, 266347, 532694, 10920227, 21840454]

約数ペア:

[(1, 21840454), (2, 10920227), (41, 532694), (82, 266347), (83, 263138), (166, 131569), (3209, 6806), (3403, 6418)]