21293804

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6977}}^1$

素因数の和:7097

約数の個数: 24

約数和(自身を含む): 42984480

約数和(自身を除く): 21690676

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 6977, 13954, 27908, 48839, 97678, 195356, 760493, 1520986, 3041972, 5323451, 10646902, 21293804]

約数ペア:

[(1, 21293804), (2, 10646902), (4, 5323451), (7, 3041972), (14, 1520986), (28, 760493), (109, 195356), (218, 97678), (436, 48839), (763, 27908), (1526, 13954), (3052, 6977)]