21943540

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{13219}}^1$

素因数の和:13311

約数の個数: 24

約数和(自身を含む): 46640160

約数和(自身を除く): 24696620

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 13219, 26438, 52876, 66095, 132190, 264380, 1097177, 2194354, 4388708, 5485885, 10971770, 21943540]

約数ペア:

[(1, 21943540), (2, 10971770), (4, 5485885), (5, 4388708), (10, 2194354), (20, 1097177), (83, 264380), (166, 132190), (332, 66095), (415, 52876), (830, 26438), (1660, 13219)]