21871418

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{10903}}^1$

素因数の和:10981

約数の個数: 16

約数和(自身を含む): 35328960

約数和(自身を除く): 13457542

約数列:

[1, 2, 17, 34, 59, 118, 1003, 2006, 10903, 21806, 185351, 370702, 643277, 1286554, 10935709, 21871418]

約数ペア:

[(1, 21871418), (2, 10935709), (17, 1286554), (34, 643277), (59, 370702), (118, 185351), (1003, 21806), (2006, 10903)]