21428228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1741}}^1$

素因数の和:1943

約数の個数: 24

約数和(自身を含む): 39947544

約数和(自身を除く): 18519316

約数列:

[1, 2, 4, 17, 34, 68, 181, 362, 724, 1741, 3077, 3482, 6154, 6964, 12308, 29597, 59194, 118388, 315121, 630242, 1260484, 5357057, 10714114, 21428228]

約数ペア:

[(1, 21428228), (2, 10714114), (4, 5357057), (17, 1260484), (34, 630242), (68, 315121), (181, 118388), (362, 59194), (724, 29597), (1741, 12308), (3077, 6964), (3482, 6154)]