21763376

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{12479}}^1$

素因数の和:12596

約数の個数: 20

約数和(自身を含む): 42556800

約数和(自身を除く): 20793424

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 12479, 24958, 49916, 99832, 199664, 1360211, 2720422, 5440844, 10881688, 21763376]

約数ペア:

[(1, 21763376), (2, 10881688), (4, 5440844), (8, 2720422), (16, 1360211), (109, 199664), (218, 99832), (436, 49916), (872, 24958), (1744, 12479)]