21015054

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{2207}}^1$

素因数の和:2261

約数の個数: 36

約数和(自身を含む): 47619936

約数和(自身を除く): 26604882

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 529, 1058, 1587, 2207, 3174, 4414, 4761, 6621, 9522, 13242, 19863, 39726, 50761, 101522, 152283, 304566, 456849, 913698, 1167503, 2335006, 3502509, 7005018, 10507527, 21015054]

約数ペア:

[(1, 21015054), (2, 10507527), (3, 7005018), (6, 3502509), (9, 2335006), (18, 1167503), (23, 913698), (46, 456849), (69, 304566), (138, 152283), (207, 101522), (414, 50761), (529, 39726), (1058, 19863), (1587, 13242), (2207, 9522), (3174, 6621), (4414, 4761)]