21172718

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{5233}}^1$

素因数の和:5276

約数の個数: 24

約数和(自身を含む): 38564112

約数和(自身を除く): 17391394

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 289, 578, 2023, 4046, 5233, 10466, 36631, 73262, 88961, 177922, 622727, 1245454, 1512337, 3024674, 10586359, 21172718]

約数ペア:

[(1, 21172718), (2, 10586359), (7, 3024674), (14, 1512337), (17, 1245454), (34, 622727), (119, 177922), (238, 88961), (289, 73262), (578, 36631), (2023, 10466), (4046, 5233)]