21958738

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2753

約数の個数: 16

約数和(自身を含む): 33981120

約数和(自身を除く): 12022382

約数列:

[1, 2, 59, 71, 118, 142, 2621, 4189, 5242, 8378, 154639, 186091, 309278, 372182, 10979369, 21958738]

約数ペア:

[(1, 21958738), (2, 10979369), (59, 372182), (71, 309278), (118, 186091), (142, 154639), (2621, 8378), (4189, 5242)]