21733785

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 17146215

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 597, 809, 995, 1791, 2427, 2985, 4045, 5373, 7281, 8955, 12135, 21843, 26865, 36405, 109215, 160991, 482973, 804955, 1448919, 2414865, 4346757, 7244595, 21733785]

約数ペア:

[(1, 21733785), (3, 7244595), (5, 4346757), (9, 2414865), (15, 1448919), (27, 804955), (45, 482973), (135, 160991), (199, 109215), (597, 36405), (809, 26865), (995, 21843), (1791, 12135), (2427, 8955), (2985, 7281), (4045, 5373)]