21761258

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{6337}}^1$

素因数の和:6457

約数の個数: 16

約数和(自身を含む): 34909704

約数和(自身を除く): 13148446

約数列:

[1, 2, 17, 34, 101, 202, 1717, 3434, 6337, 12674, 107729, 215458, 640037, 1280074, 10880629, 21761258]

約数ペア:

[(1, 21761258), (2, 10880629), (17, 1280074), (34, 640037), (101, 215458), (202, 107729), (1717, 12674), (3434, 6337)]