21709128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{129221}}^1$

素因数の和:129237

約数の個数: 32

約数和(自身を含む): 62026560

約数和(自身を除く): 40317432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 129221, 258442, 387663, 516884, 775326, 904547, 1033768, 1550652, 1809094, 2713641, 3101304, 3618188, 5427282, 7236376, 10854564, 21709128]

約数ペア:

[(1, 21709128), (2, 10854564), (3, 7236376), (4, 5427282), (6, 3618188), (7, 3101304), (8, 2713641), (12, 1809094), (14, 1550652), (21, 1033768), (24, 904547), (28, 775326), (42, 516884), (56, 387663), (84, 258442), (168, 129221)]