21038291065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{5171}}^1\times {\mathrm{73973}}^1$

素因数の和:79160

約数の個数: 16

約数和(自身を含む): 27546734016

約数和(自身を除く): 6508442951

約数列:

[1, 5, 11, 55, 5171, 25855, 56881, 73973, 284405, 369865, 813703, 4068515, 382514383, 1912571915, 4207658213, 21038291065]

約数ペア:

[(1, 21038291065), (5, 4207658213), (11, 1912571915), (55, 382514383), (5171, 4068515), (25855, 813703), (56881, 369865), (73973, 284405)]