21972276

素因数分解:

$2^2\times 3^3\times {\mathrm{389}}^1\times {\mathrm{523}}^1$

素因数の和:925

約数の個数: 48

約数和(自身を含む): 57220800

約数和(自身を除く): 35248524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 389, 523, 778, 1046, 1167, 1556, 1569, 2092, 2334, 3138, 3501, 4668, 4707, 6276, 7002, 9414, 10503, 14004, 14121, 18828, 21006, 28242, 42012, 56484, 203447, 406894, 610341, 813788, 1220682, 1831023, 2441364, 3662046, 5493069, 7324092, 10986138, 21972276]

約数ペア:

[(1, 21972276), (2, 10986138), (3, 7324092), (4, 5493069), (6, 3662046), (9, 2441364), (12, 1831023), (18, 1220682), (27, 813788), (36, 610341), (54, 406894), (108, 203447), (389, 56484), (523, 42012), (778, 28242), (1046, 21006), (1167, 18828), (1556, 14121), (1569, 14004), (2092, 10503), (2334, 9414), (3138, 7002), (3501, 6276), (4668, 4707)]