20214315

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 38709216

約数和(自身を除く): 18494901

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 97, 99, 165, 291, 421, 485, 495, 873, 1067, 1263, 1455, 2105, 3201, 3789, 4365, 4631, 5335, 6315, 9603, 13893, 16005, 18945, 23155, 40837, 41679, 48015, 69465, 122511, 204185, 208395, 367533, 449207, 612555, 1347621, 1837665, 2246035, 4042863, 6738105, 20214315]

約数ペア:

[(1, 20214315), (3, 6738105), (5, 4042863), (9, 2246035), (11, 1837665), (15, 1347621), (33, 612555), (45, 449207), (55, 367533), (97, 208395), (99, 204185), (165, 122511), (291, 69465), (421, 48015), (485, 41679), (495, 40837), (873, 23155), (1067, 18945), (1263, 16005), (1455, 13893), (2105, 9603), (3201, 6315), (3789, 5335), (4365, 4631)]