21135232

素因数分解:

$2^7\times {\mathrm{163}}^1\times {\mathrm{1013}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 42405480

約数和(自身を除く): 21270248

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 326, 652, 1013, 1304, 2026, 2608, 4052, 5216, 8104, 10432, 16208, 20864, 32416, 64832, 129664, 165119, 330238, 660476, 1320952, 2641904, 5283808, 10567616, 21135232]

約数ペア:

[(1, 21135232), (2, 10567616), (4, 5283808), (8, 2641904), (16, 1320952), (32, 660476), (64, 330238), (128, 165119), (163, 129664), (326, 64832), (652, 32416), (1013, 20864), (1304, 16208), (2026, 10432), (2608, 8104), (4052, 5216)]