21513786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{22271}}^1$

素因数の和:22306

約数の個数: 32

約数和(自身を含む): 51314688

約数和(自身を除く): 29800902

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 22271, 44542, 66813, 133626, 155897, 311794, 467691, 512233, 935382, 1024466, 1536699, 3073398, 3585631, 7171262, 10756893, 21513786]

約数ペア:

[(1, 21513786), (2, 10756893), (3, 7171262), (6, 3585631), (7, 3073398), (14, 1536699), (21, 1024466), (23, 935382), (42, 512233), (46, 467691), (69, 311794), (138, 155897), (161, 133626), (322, 66813), (483, 44542), (966, 22271)]