21639726

素因数分解:

$2^1\times 3^2\times {\mathrm{113}}^1\times {\mathrm{10639}}^1$

素因数の和:10760

約数の個数: 24

約数和(自身を含む): 47305440

約数和(自身を除く): 25665714

約数列:

[1, 2, 3, 6, 9, 18, 113, 226, 339, 678, 1017, 2034, 10639, 21278, 31917, 63834, 95751, 191502, 1202207, 2404414, 3606621, 7213242, 10819863, 21639726]

約数ペア:

[(1, 21639726), (2, 10819863), (3, 7213242), (6, 3606621), (9, 2404414), (18, 1202207), (113, 191502), (226, 95751), (339, 63834), (678, 31917), (1017, 21278), (2034, 10639)]