21264742

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:348

約数の個数: 24

約数和(自身を含む): 33843600

約数和(自身を除く): 12578858

約数列:

[1, 2, 23, 46, 101, 199, 202, 398, 529, 1058, 2323, 4577, 4646, 9154, 20099, 40198, 53429, 105271, 106858, 210542, 462277, 924554, 10632371, 21264742]

約数ペア:

[(1, 21264742), (2, 10632371), (23, 924554), (46, 462277), (101, 210542), (199, 106858), (202, 105271), (398, 53429), (529, 40198), (1058, 20099), (2323, 9154), (4577, 4646)]