21340748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37309}}^1$

素因数の和:37337

約数の個数: 24

約数和(自身を含む): 43876560

約数和(自身を除く): 22535812

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37309, 74618, 149236, 410399, 485017, 820798, 970034, 1641596, 1940068, 5335187, 10670374, 21340748]

約数ペア:

[(1, 21340748), (2, 10670374), (4, 5335187), (11, 1940068), (13, 1641596), (22, 970034), (26, 820798), (44, 485017), (52, 410399), (143, 149236), (286, 74618), (572, 37309)]