21777833

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 29196288

約数和(自身を除く): 7418455

約数列:

[1, 7, 11, 17, 77, 119, 127, 131, 187, 889, 917, 1309, 1397, 1441, 2159, 2227, 9779, 10087, 15113, 15589, 16637, 23749, 24497, 116459, 166243, 171479, 183007, 282829, 1281049, 1979803, 3111119, 21777833]

約数ペア:

[(1, 21777833), (7, 3111119), (11, 1979803), (17, 1281049), (77, 282829), (119, 183007), (127, 171479), (131, 166243), (187, 116459), (889, 24497), (917, 23749), (1309, 16637), (1397, 15589), (1441, 15113), (2159, 10087), (2227, 9779)]