21712636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13337}}^1$

素因数の和:13389

約数の個数: 24

約数和(自身を含む): 42574896

約数和(自身を除く): 20862260

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 13337, 26674, 53348, 146707, 293414, 493469, 586828, 986938, 1973876, 5428159, 10856318, 21712636]

約数ペア:

[(1, 21712636), (2, 10856318), (4, 5428159), (11, 1973876), (22, 986938), (37, 586828), (44, 493469), (74, 293414), (148, 146707), (407, 53348), (814, 26674), (1628, 13337)]