21334445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6359}}^1$

素因数の和:6436

約数の個数: 16

約数和(自身を含む): 28391040

約数和(自身を除く): 7056595

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 6359, 31795, 69949, 349745, 387899, 1939495, 4266889, 21334445]

約数ペア:

[(1, 21334445), (5, 4266889), (11, 1939495), (55, 387899), (61, 349745), (305, 69949), (671, 31795), (3355, 6359)]