21588688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122663}}^1$

素因数の和:122682

約数の個数: 20

約数和(自身を含む): 45631008

約数和(自身を除く): 24042320

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122663, 245326, 490652, 981304, 1349293, 1962608, 2698586, 5397172, 10794344, 21588688]

約数ペア:

[(1, 21588688), (2, 10794344), (4, 5397172), (8, 2698586), (11, 1962608), (16, 1349293), (22, 981304), (44, 490652), (88, 245326), (176, 122663)]