21583088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70997}}^1$

素因数の和:71024

約数の個数: 20

約数和(自身を含む): 44018760

約数和(自身を除く): 22435672

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70997, 141994, 283988, 567976, 1135952, 1348943, 2697886, 5395772, 10791544, 21583088]

約数ペア:

[(1, 21583088), (2, 10791544), (4, 5395772), (8, 2697886), (16, 1348943), (19, 1135952), (38, 567976), (76, 283988), (152, 141994), (304, 70997)]