21601336

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 41518080

約数和(自身を除く): 19916744

約数列:

[1, 2, 4, 8, 67, 134, 191, 211, 268, 382, 422, 536, 764, 844, 1528, 1688, 12797, 14137, 25594, 28274, 40301, 51188, 56548, 80602, 102376, 113096, 161204, 322408, 2700167, 5400334, 10800668, 21601336]

約数ペア:

[(1, 21601336), (2, 10800668), (4, 5400334), (8, 2700167), (67, 322408), (134, 161204), (191, 113096), (211, 102376), (268, 80602), (382, 56548), (422, 51188), (536, 40301), (764, 28274), (844, 25594), (1528, 14137), (1688, 12797)]