21013568

素因数分解:

$2^6\times {\mathrm{313}}^1\times {\mathrm{1049}}^1$

素因数の和:1374

約数の個数: 28

約数和(自身を含む): 41871900

約数和(自身を除く): 20858332

約数列:

[1, 2, 4, 8, 16, 32, 64, 313, 626, 1049, 1252, 2098, 2504, 4196, 5008, 8392, 10016, 16784, 20032, 33568, 67136, 328337, 656674, 1313348, 2626696, 5253392, 10506784, 21013568]

約数ペア:

[(1, 21013568), (2, 10506784), (4, 5253392), (8, 2626696), (16, 1313348), (32, 656674), (64, 328337), (313, 67136), (626, 33568), (1049, 20032), (1252, 16784), (2098, 10016), (2504, 8392), (4196, 5008)]