21031736

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21727}}^1$

素因数の和:21755

約数の個数: 24

約数和(自身を含む): 43347360

約数和(自身を除く): 22315624

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21727, 43454, 86908, 173816, 238997, 477994, 955988, 1911976, 2628967, 5257934, 10515868, 21031736]

約数ペア:

[(1, 21031736), (2, 10515868), (4, 5257934), (8, 2628967), (11, 1911976), (22, 955988), (44, 477994), (88, 238997), (121, 173816), (242, 86908), (484, 43454), (968, 21727)]