21964426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 37584000

約数和(自身を除く): 15619574

約数列:

[1, 2, 11, 22, 29, 58, 173, 199, 319, 346, 398, 638, 1903, 2189, 3806, 4378, 5017, 5771, 10034, 11542, 34427, 55187, 63481, 68854, 110374, 126962, 378697, 757394, 998383, 1996766, 10982213, 21964426]

約数ペア:

[(1, 21964426), (2, 10982213), (11, 1996766), (22, 998383), (29, 757394), (58, 378697), (173, 126962), (199, 110374), (319, 68854), (346, 63481), (398, 55187), (638, 34427), (1903, 11542), (2189, 10034), (3806, 5771), (4378, 5017)]