21665344

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19913}}^1$

素因数の和:19942

約数の個数: 28

約数和(自身を含む): 45523404

約数和(自身を除く): 23858060

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19913, 39826, 79652, 159304, 318608, 338521, 637216, 677042, 1274432, 1354084, 2708168, 5416336, 10832672, 21665344]

約数ペア:

[(1, 21665344), (2, 10832672), (4, 5416336), (8, 2708168), (16, 1354084), (17, 1274432), (32, 677042), (34, 637216), (64, 338521), (68, 318608), (136, 159304), (272, 79652), (544, 39826), (1088, 19913)]