21340358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{1129}}^1$

素因数の和:1871

約数の個数: 16

約数和(自身を含む): 34550880

約数和(自身を除く): 13210522

約数列:

[1, 2, 13, 26, 727, 1129, 1454, 2258, 9451, 14677, 18902, 29354, 820783, 1641566, 10670179, 21340358]

約数ペア:

[(1, 21340358), (2, 10670179), (13, 1641566), (26, 820783), (727, 29354), (1129, 18902), (1454, 14677), (2258, 9451)]