21784237443

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{239}}^1\times {\mathrm{6217}}^1$

素因数の和:6649

約数の個数: 40

約数和(自身を含む): 32863871040

約数和(自身を除く): 11079633597

約数列:

[1, 3, 9, 27, 81, 181, 239, 543, 717, 1629, 2151, 4887, 6217, 6453, 14661, 18651, 19359, 43259, 55953, 129777, 167859, 389331, 503577, 1125277, 1167993, 1485863, 3375831, 3503979, 4457589, 10127493, 13372767, 30382479, 40118301, 91147437, 120354903, 268941203, 806823609, 2420470827, 7261412481, 21784237443]

約数ペア:

[(1, 21784237443), (3, 7261412481), (9, 2420470827), (27, 806823609), (81, 268941203), (181, 120354903), (239, 91147437), (543, 40118301), (717, 30382479), (1629, 13372767), (2151, 10127493), (4887, 4457589), (6217, 3503979), (6453, 3375831), (14661, 1485863), (18651, 1167993), (19359, 1125277), (43259, 503577), (55953, 389331), (129777, 167859)]