21099896

素因数分解:

$2^3\times {\mathrm{673}}^1\times {\mathrm{3919}}^1$

素因数の和:4598

約数の個数: 16

約数和(自身を含む): 39631200

約数和(自身を除く): 18531304

約数列:

[1, 2, 4, 8, 673, 1346, 2692, 3919, 5384, 7838, 15676, 31352, 2637487, 5274974, 10549948, 21099896]

約数ペア:

[(1, 21099896), (2, 10549948), (4, 5274974), (8, 2637487), (673, 31352), (1346, 15676), (2692, 7838), (3919, 5384)]