21254474

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{2099}}^1$

素因数の和:2245

約数の個数: 16

約数和(自身を含む): 32810400

約数和(自身を除く): 11555926

約数列:

[1, 2, 61, 83, 122, 166, 2099, 4198, 5063, 10126, 128039, 174217, 256078, 348434, 10627237, 21254474]

約数ペア:

[(1, 21254474), (2, 10627237), (61, 348434), (83, 256078), (122, 174217), (166, 128039), (2099, 10126), (4198, 5063)]