21458176

素因数分解:

$2^8\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:894

約数の個数: 36

約数和(自身を含む): 43281700

約数和(自身を除く): 21823524

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 256, 436, 769, 872, 1538, 1744, 3076, 3488, 6152, 6976, 12304, 13952, 24608, 27904, 49216, 83821, 98432, 167642, 196864, 335284, 670568, 1341136, 2682272, 5364544, 10729088, 21458176]

約数ペア:

[(1, 21458176), (2, 10729088), (4, 5364544), (8, 2682272), (16, 1341136), (32, 670568), (64, 335284), (109, 196864), (128, 167642), (218, 98432), (256, 83821), (436, 49216), (769, 27904), (872, 24608), (1538, 13952), (1744, 12304), (3076, 6976), (3488, 6152)]