21404712

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2963}}^1$

素因数の和:3022

約数の個数: 64

約数和(自身を含む): 62599680

約数和(自身を除く): 41194968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 2963, 3612, 5926, 7224, 8889, 11852, 17778, 20741, 23704, 35556, 41482, 62223, 71112, 82964, 124446, 127409, 165928, 248892, 254818, 382227, 497784, 509636, 764454, 891863, 1019272, 1528908, 1783726, 2675589, 3057816, 3567452, 5351178, 7134904, 10702356, 21404712]

約数ペア:

[(1, 21404712), (2, 10702356), (3, 7134904), (4, 5351178), (6, 3567452), (7, 3057816), (8, 2675589), (12, 1783726), (14, 1528908), (21, 1019272), (24, 891863), (28, 764454), (42, 509636), (43, 497784), (56, 382227), (84, 254818), (86, 248892), (129, 165928), (168, 127409), (172, 124446), (258, 82964), (301, 71112), (344, 62223), (516, 41482), (602, 35556), (903, 23704), (1032, 20741), (1204, 17778), (1806, 11852), (2408, 8889), (2963, 7224), (3612, 5926)]