21363416

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{5309}}^1$

素因数の和:5818

約数の個数: 16

約数和(自身を含む): 40143600

約数和(自身を除く): 18780184

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 5309, 10618, 21236, 42472, 2670427, 5340854, 10681708, 21363416]

約数ペア:

[(1, 21363416), (2, 10681708), (4, 5340854), (8, 2670427), (503, 42472), (1006, 21236), (2012, 10618), (4024, 5309)]