21622668

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 53088000

約数和(自身を除く): 31465332

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 157, 276, 314, 471, 499, 628, 942, 998, 1497, 1884, 1996, 2994, 3611, 5988, 7222, 10833, 11477, 14444, 21666, 22954, 34431, 43332, 45908, 68862, 78343, 137724, 156686, 235029, 313372, 470058, 940116, 1801889, 3603778, 5405667, 7207556, 10811334, 21622668]

約数ペア:

[(1, 21622668), (2, 10811334), (3, 7207556), (4, 5405667), (6, 3603778), (12, 1801889), (23, 940116), (46, 470058), (69, 313372), (92, 235029), (138, 156686), (157, 137724), (276, 78343), (314, 68862), (471, 45908), (499, 43332), (628, 34431), (942, 22954), (998, 21666), (1497, 14444), (1884, 11477), (1996, 10833), (2994, 7222), (3611, 5988)]