21083973651

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{24329}}^1$

素因数の和:25177

約数の個数: 40

約数和(自身を含む): 33961176480

約数和(自身を除く): 12877202829

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 823, 1053, 2469, 7407, 10699, 22221, 24329, 32097, 66663, 72987, 96291, 218961, 288873, 316277, 656883, 866619, 948831, 1970649, 2846493, 8539479, 20022767, 25618437, 60068301, 180204903, 260295971, 540614709, 780887913, 1621844127, 2342663739, 7027991217, 21083973651]

約数ペア:

[(1, 21083973651), (3, 7027991217), (9, 2342663739), (13, 1621844127), (27, 780887913), (39, 540614709), (81, 260295971), (117, 180204903), (351, 60068301), (823, 25618437), (1053, 20022767), (2469, 8539479), (7407, 2846493), (10699, 1970649), (22221, 948831), (24329, 866619), (32097, 656883), (66663, 316277), (72987, 288873), (96291, 218961)]