21808324

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{2347}}^1$

素因数の和:2475

約数の個数: 24

約数和(自身を含む): 40235328

約数和(自身を除く): 18427004

約数列:

[1, 2, 4, 23, 46, 92, 101, 202, 404, 2323, 2347, 4646, 4694, 9292, 9388, 53981, 107962, 215924, 237047, 474094, 948188, 5452081, 10904162, 21808324]

約数ペア:

[(1, 21808324), (2, 10904162), (4, 5452081), (23, 948188), (46, 474094), (92, 237047), (101, 215924), (202, 107962), (404, 53981), (2323, 9388), (2347, 9292), (4646, 4694)]