21823928

素因数分解:

$2^3\times 7^1\times {\mathrm{389713}}^1$

素因数の和:389726

約数の個数: 16

約数和(自身を含む): 46765680

約数和(自身を除く): 24941752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 389713, 779426, 1558852, 2727991, 3117704, 5455982, 10911964, 21823928]

約数ペア:

[(1, 21823928), (2, 10911964), (4, 5455982), (7, 3117704), (8, 2727991), (14, 1558852), (28, 779426), (56, 389713)]