21873856

素因数分解:

$2^6\times {\mathrm{131}}^1\times {\mathrm{2609}}^1$

素因数の和:2752

約数の個数: 28

約数和(自身を含む): 43754040

約数和(自身を除く): 21880184

約数列:

[1, 2, 4, 8, 16, 32, 64, 131, 262, 524, 1048, 2096, 2609, 4192, 5218, 8384, 10436, 20872, 41744, 83488, 166976, 341779, 683558, 1367116, 2734232, 5468464, 10936928, 21873856]

約数ペア:

[(1, 21873856), (2, 10936928), (4, 5468464), (8, 2734232), (16, 1367116), (32, 683558), (64, 341779), (131, 166976), (262, 83488), (524, 41744), (1048, 20872), (2096, 10436), (2609, 8384), (4192, 5218)]