21409300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19463}}^1$

素因数の和:19488

約数の個数: 36

約数和(自身を含む): 50684256

約数和(自身を除く): 29274956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19463, 38926, 77852, 97315, 194630, 214093, 389260, 428186, 486575, 856372, 973150, 1070465, 1946300, 2140930, 4281860, 5352325, 10704650, 21409300]

約数ペア:

[(1, 21409300), (2, 10704650), (4, 5352325), (5, 4281860), (10, 2140930), (11, 1946300), (20, 1070465), (22, 973150), (25, 856372), (44, 486575), (50, 428186), (55, 389260), (100, 214093), (110, 194630), (220, 97315), (275, 77852), (550, 38926), (1100, 19463)]