21440324

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{967}}^1$

素因数の和:1235

約数の個数: 24

約数和(自身を含む): 39355008

約数和(自身を除く): 17914684

約数列:

[1, 2, 4, 23, 46, 92, 241, 482, 964, 967, 1934, 3868, 5543, 11086, 22172, 22241, 44482, 88964, 233047, 466094, 932188, 5360081, 10720162, 21440324]

約数ペア:

[(1, 21440324), (2, 10720162), (4, 5360081), (23, 932188), (46, 466094), (92, 233047), (241, 88964), (482, 44482), (964, 22241), (967, 22172), (1934, 11086), (3868, 5543)]