21705944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1847}}^1$

素因数の和:1979

約数の個数: 32

約数和(自身を含む): 44241120

約数和(自身を除く): 22535176

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 113, 226, 452, 904, 1469, 1847, 2938, 3694, 5876, 7388, 11752, 14776, 24011, 48022, 96044, 192088, 208711, 417422, 834844, 1669688, 2713243, 5426486, 10852972, 21705944]

約数ペア:

[(1, 21705944), (2, 10852972), (4, 5426486), (8, 2713243), (13, 1669688), (26, 834844), (52, 417422), (104, 208711), (113, 192088), (226, 96044), (452, 48022), (904, 24011), (1469, 14776), (1847, 11752), (2938, 7388), (3694, 5876)]