21699248065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1663}}^1\times {\mathrm{1811}}^1$

素因数の和:3621

約数の個数: 32

約数和(自身を含む): 28656156672

約数和(自身を除く): 6956908607

約数列:

[1, 5, 11, 55, 131, 655, 1441, 1663, 1811, 7205, 8315, 9055, 18293, 19921, 91465, 99605, 217853, 237241, 1089265, 1186205, 2396383, 2609651, 3011693, 11981915, 13048255, 15058465, 33128623, 165643115, 394531783, 1972658915, 4339849613, 21699248065]

約数ペア:

[(1, 21699248065), (5, 4339849613), (11, 1972658915), (55, 394531783), (131, 165643115), (655, 33128623), (1441, 15058465), (1663, 13048255), (1811, 11981915), (7205, 3011693), (8315, 2609651), (9055, 2396383), (18293, 1186205), (19921, 1089265), (91465, 237241), (99605, 217853)]