21921934

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{2053}}^1$

素因数の和:2355

約数の個数: 16

約数和(自身を含む): 34753680

約数和(自身を除く): 12831746

約数列:

[1, 2, 19, 38, 281, 562, 2053, 4106, 5339, 10678, 39007, 78014, 576893, 1153786, 10960967, 21921934]

約数ペア:

[(1, 21921934), (2, 10960967), (19, 1153786), (38, 576893), (281, 78014), (562, 39007), (2053, 10678), (4106, 5339)]