21744892

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1693}}^1$

素因数の和:1742

約数の個数: 36

約数和(自身を含む): 43400280

約数和(自身を除く): 21655388

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 1693, 3211, 3386, 6422, 6772, 12844, 22009, 32167, 44018, 64334, 88036, 128668, 286117, 418171, 572234, 836342, 1144468, 1672684, 5436223, 10872446, 21744892]

約数ペア:

[(1, 21744892), (2, 10872446), (4, 5436223), (13, 1672684), (19, 1144468), (26, 836342), (38, 572234), (52, 418171), (76, 286117), (169, 128668), (247, 88036), (338, 64334), (494, 44018), (676, 32167), (988, 22009), (1693, 12844), (3211, 6772), (3386, 6422)]