21155216

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57487}}^1$

素因数の和:57518

約数の個数: 20

約数和(自身を含む): 42771072

約数和(自身を除く): 21615856

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57487, 114974, 229948, 459896, 919792, 1322201, 2644402, 5288804, 10577608, 21155216]

約数ペア:

[(1, 21155216), (2, 10577608), (4, 5288804), (8, 2644402), (16, 1322201), (23, 919792), (46, 459896), (92, 229948), (184, 114974), (368, 57487)]