21159345746

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12490759}}^1$

素因数の和:12490790

約数の個数: 24

約数和(自身を含む): 39870505920

約数和(自身を除く): 18711160174

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12490759, 24981518, 87435313, 137398349, 174870626, 274796698, 961788443, 1511381839, 1923576886, 3022763678, 10579672873, 21159345746]

約数ペア:

[(1, 21159345746), (2, 10579672873), (7, 3022763678), (11, 1923576886), (14, 1511381839), (22, 961788443), (77, 274796698), (121, 174870626), (154, 137398349), (242, 87435313), (847, 24981518), (1694, 12490759)]