21167476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3461}}^1$

素因数の和:3615

約数の個数: 24

約数和(自身を含む): 40713120

約数和(自身を除く): 19545644

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 3461, 6116, 6922, 13844, 38071, 76142, 152284, 481079, 962158, 1924316, 5291869, 10583738, 21167476]

約数ペア:

[(1, 21167476), (2, 10583738), (4, 5291869), (11, 1924316), (22, 962158), (44, 481079), (139, 152284), (278, 76142), (556, 38071), (1529, 13844), (3058, 6922), (3461, 6116)]