21419032

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{12689}}^1$

素因数の和:12906

約数の個数: 16

約数和(自身を含む): 40354200

約数和(自身を除く): 18935168

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 12689, 25378, 50756, 101512, 2677379, 5354758, 10709516, 21419032]

約数ペア:

[(1, 21419032), (2, 10709516), (4, 5354758), (8, 2677379), (211, 101512), (422, 50756), (844, 25378), (1688, 12689)]