21263132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21011}}^1$

素因数の和:21049

約数の個数: 24

約数和(自身を含む): 42360192

約数和(自身を除く): 21097060

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21011, 42022, 84044, 231121, 462242, 483253, 924484, 966506, 1933012, 5315783, 10631566, 21263132]

約数ペア:

[(1, 21263132), (2, 10631566), (4, 5315783), (11, 1933012), (22, 966506), (23, 924484), (44, 483253), (46, 462242), (92, 231121), (253, 84044), (506, 42022), (1012, 21011)]