21765344

素因数分解:

$2^5\times {\mathrm{409}}^1\times {\mathrm{1663}}^1$

素因数の和:2082

約数の個数: 24

約数和(自身を含む): 42981120

約数和(自身を除く): 21215776

約数列:

[1, 2, 4, 8, 16, 32, 409, 818, 1636, 1663, 3272, 3326, 6544, 6652, 13088, 13304, 26608, 53216, 680167, 1360334, 2720668, 5441336, 10882672, 21765344]

約数ペア:

[(1, 21765344), (2, 10882672), (4, 5441336), (8, 2720668), (16, 1360334), (32, 680167), (409, 53216), (818, 26608), (1636, 13304), (1663, 13088), (3272, 6652), (3326, 6544)]