21054928

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45377}}^1$

素因数の和:45414

約数の個数: 20

約数和(自身を含む): 42201540

約数和(自身を除く): 21146612

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45377, 90754, 181508, 363016, 726032, 1315933, 2631866, 5263732, 10527464, 21054928]

約数ペア:

[(1, 21054928), (2, 10527464), (4, 5263732), (8, 2631866), (16, 1315933), (29, 726032), (58, 363016), (116, 181508), (232, 90754), (464, 45377)]