21305432

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{85909}}^1$

素因数の和:85946

約数の個数: 16

約数和(自身を含む): 41236800

約数和(自身を除く): 19931368

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 85909, 171818, 343636, 687272, 2663179, 5326358, 10652716, 21305432]

約数ペア:

[(1, 21305432), (2, 10652716), (4, 5326358), (8, 2663179), (31, 687272), (62, 343636), (124, 171818), (248, 85909)]