21207424

素因数分解:

$2^7\times 7^1\times {\mathrm{23669}}^1$

素因数の和:23690

約数の個数: 32

約数和(自身を含む): 48286800

約数和(自身を除く): 27079376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23669, 47338, 94676, 165683, 189352, 331366, 378704, 662732, 757408, 1325464, 1514816, 2650928, 3029632, 5301856, 10603712, 21207424]

約数ペア:

[(1, 21207424), (2, 10603712), (4, 5301856), (7, 3029632), (8, 2650928), (14, 1514816), (16, 1325464), (28, 757408), (32, 662732), (56, 378704), (64, 331366), (112, 189352), (128, 165683), (224, 94676), (448, 47338), (896, 23669)]