21105281108

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1010983}}^1$

素因数の和:1011311

約数の個数: 24

約数和(自身を含む): 39234267072

約数和(自身を除く): 18128985964

約数列:

[1, 2, 4, 17, 34, 68, 307, 614, 1228, 5219, 10438, 20876, 1010983, 2021966, 4043932, 17186711, 34373422, 68746844, 310371781, 620743562, 1241487124, 5276320277, 10552640554, 21105281108]

約数ペア:

[(1, 21105281108), (2, 10552640554), (4, 5276320277), (17, 1241487124), (34, 620743562), (68, 310371781), (307, 68746844), (614, 34373422), (1228, 17186711), (5219, 4043932), (10438, 2021966), (20876, 1010983)]