21256446

素因数分解:

$2^1\times 3^1\times {\mathrm{677}}^1\times {\mathrm{5233}}^1$

素因数の和:5915

約数の個数: 16

約数和(自身を含む): 42583824

約数和(自身を除く): 21327378

約数列:

[1, 2, 3, 6, 677, 1354, 2031, 4062, 5233, 10466, 15699, 31398, 3542741, 7085482, 10628223, 21256446]

約数ペア:

[(1, 21256446), (2, 10628223), (3, 7085482), (6, 3542741), (677, 31398), (1354, 15699), (2031, 10466), (4062, 5233)]