21579624

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2477}}^1$

素因数の和:2511

約数の個数: 72

約数和(自身を含む): 64266930

約数和(自身を除く): 42687306

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2178, 2477, 2904, 4356, 4954, 7431, 8712, 9908, 14862, 19816, 22293, 27247, 29724, 44586, 54494, 59448, 81741, 89172, 108988, 163482, 178344, 217976, 245223, 299717, 326964, 490446, 599434, 653928, 899151, 980892, 1198868, 1798302, 1961784, 2397736, 2697453, 3596604, 5394906, 7193208, 10789812, 21579624]

約数ペア:

[(1, 21579624), (2, 10789812), (3, 7193208), (4, 5394906), (6, 3596604), (8, 2697453), (9, 2397736), (11, 1961784), (12, 1798302), (18, 1198868), (22, 980892), (24, 899151), (33, 653928), (36, 599434), (44, 490446), (66, 326964), (72, 299717), (88, 245223), (99, 217976), (121, 178344), (132, 163482), (198, 108988), (242, 89172), (264, 81741), (363, 59448), (396, 54494), (484, 44586), (726, 29724), (792, 27247), (968, 22293), (1089, 19816), (1452, 14862), (2178, 9908), (2477, 8712), (2904, 7431), (4356, 4954)]