21572804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21317}}^1$

素因数の和:21355

約数の個数: 24

約数和(自身を含む): 42977088

約数和(自身を除く): 21404284

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21317, 42634, 85268, 234487, 468974, 490291, 937948, 980582, 1961164, 5393201, 10786402, 21572804]

約数ペア:

[(1, 21572804), (2, 10786402), (4, 5393201), (11, 1961164), (22, 980582), (23, 937948), (44, 490291), (46, 468974), (92, 234487), (253, 85268), (506, 42634), (1012, 21317)]