21248944

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{4243}}^1$

素因数の和:4564

約数の個数: 20

約数和(自身を含む): 41311096

約数和(自身を除く): 20062152

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 4243, 5008, 8486, 16972, 33944, 67888, 1328059, 2656118, 5312236, 10624472, 21248944]

約数ペア:

[(1, 21248944), (2, 10624472), (4, 5312236), (8, 2656118), (16, 1328059), (313, 67888), (626, 33944), (1252, 16972), (2504, 8486), (4243, 5008)]