21027941

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 23742720

約数和(自身を除く): 2714779

約数列:

[1, 11, 47, 89, 457, 517, 979, 4183, 5027, 21479, 40673, 46013, 236269, 447403, 1911631, 21027941]

約数ペア:

[(1, 21027941), (11, 1911631), (47, 447403), (89, 236269), (457, 46013), (517, 40673), (979, 21479), (4183, 5027)]