21074504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3373}}^1$

素因数の和:3461

約数の個数: 32

約数和(自身を含む): 43727040

約数和(自身を除く): 22652536

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 3373, 6248, 6746, 13492, 26984, 37103, 74206, 148412, 239483, 296824, 478966, 957932, 1915864, 2634313, 5268626, 10537252, 21074504]

約数ペア:

[(1, 21074504), (2, 10537252), (4, 5268626), (8, 2634313), (11, 1915864), (22, 957932), (44, 478966), (71, 296824), (88, 239483), (142, 148412), (284, 74206), (568, 37103), (781, 26984), (1562, 13492), (3124, 6746), (3373, 6248)]