21411468910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1\times {\mathrm{82393}}^1$

素因数の和:84412

約数の個数: 32

約数和(自身を含む): 41526576000

約数和(自身を除く): 20115107090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1999, 3998, 9995, 19990, 25987, 51974, 82393, 129935, 164786, 259870, 411965, 823930, 1071109, 2142218, 5355545, 10711090, 164703607, 329407214, 823518035, 1647036070, 2141146891, 4282293782, 10705734455, 21411468910]

約数ペア:

[(1, 21411468910), (2, 10705734455), (5, 4282293782), (10, 2141146891), (13, 1647036070), (26, 823518035), (65, 329407214), (130, 164703607), (1999, 10711090), (3998, 5355545), (9995, 2142218), (19990, 1071109), (25987, 823930), (51974, 411965), (82393, 259870), (129935, 164786)]