21973964

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 39270000

約数和(自身を除く): 17296036

約数列:

[1, 2, 4, 101, 109, 202, 218, 404, 436, 499, 998, 1996, 11009, 22018, 44036, 50399, 54391, 100798, 108782, 201596, 217564, 5493491, 10986982, 21973964]

約数ペア:

[(1, 21973964), (2, 10986982), (4, 5493491), (101, 217564), (109, 201596), (202, 108782), (218, 100798), (404, 54391), (436, 50399), (499, 44036), (998, 22018), (1996, 11009)]