21556973

素因数分解:

${\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:284

約数の個数: 16

約数和(自身を含む): 22903296

約数和(自身を除く): 1346323

約数列:

[1, 47, 61, 73, 103, 2867, 3431, 4453, 4841, 6283, 7519, 209291, 295301, 353393, 458659, 21556973]

約数ペア:

[(1, 21556973), (47, 458659), (61, 353393), (73, 295301), (103, 209291), (2867, 7519), (3431, 6283), (4453, 4841)]