21382552

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{6871}}^1$

素因数の和:7266

約数の個数: 16

約数和(自身を含む): 40201200

約数和(自身を除く): 18818648

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 6871, 13742, 27484, 54968, 2672819, 5345638, 10691276, 21382552]

約数ペア:

[(1, 21382552), (2, 10691276), (4, 5345638), (8, 2672819), (389, 54968), (778, 27484), (1556, 13742), (3112, 6871)]