21565158

素因数分解:

$2^1\times 3^1\times {\mathrm{677}}^1\times {\mathrm{5309}}^1$

素因数の和:5991

約数の個数: 16

約数和(自身を含む): 43202160

約数和(自身を除く): 21637002

約数列:

[1, 2, 3, 6, 677, 1354, 2031, 4062, 5309, 10618, 15927, 31854, 3594193, 7188386, 10782579, 21565158]

約数ペア:

[(1, 21565158), (2, 10782579), (3, 7188386), (6, 3594193), (677, 31854), (1354, 15927), (2031, 10618), (4062, 5309)]