21338270

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 39907296

約数和(自身を除く): 18569026

約数列:

[1, 2, 5, 10, 37, 74, 101, 185, 202, 370, 505, 571, 1010, 1142, 2855, 3737, 5710, 7474, 18685, 21127, 37370, 42254, 57671, 105635, 115342, 211270, 288355, 576710, 2133827, 4267654, 10669135, 21338270]

約数ペア:

[(1, 21338270), (2, 10669135), (5, 4267654), (10, 2133827), (37, 576710), (74, 288355), (101, 211270), (185, 115342), (202, 105635), (370, 57671), (505, 42254), (571, 37370), (1010, 21127), (1142, 18685), (2855, 7474), (3737, 5710)]