21315224

素因数分解:

$2^3\times 7^1\times {\mathrm{380629}}^1$

素因数の和:380642

約数の個数: 16

約数和(自身を含む): 45675600

約数和(自身を除く): 24360376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 380629, 761258, 1522516, 2664403, 3045032, 5328806, 10657612, 21315224]

約数ペア:

[(1, 21315224), (2, 10657612), (4, 5328806), (7, 3045032), (8, 2664403), (14, 1522516), (28, 761258), (56, 380629)]