21033064

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 43744320

約数和(自身を除く): 22711256

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 169, 188, 331, 338, 376, 611, 662, 676, 1222, 1324, 1352, 2444, 2648, 4303, 4888, 7943, 8606, 15557, 15886, 17212, 31114, 31772, 34424, 55939, 62228, 63544, 111878, 124456, 202241, 223756, 404482, 447512, 808964, 1617928, 2629133, 5258266, 10516532, 21033064]

約数ペア:

[(1, 21033064), (2, 10516532), (4, 5258266), (8, 2629133), (13, 1617928), (26, 808964), (47, 447512), (52, 404482), (94, 223756), (104, 202241), (169, 124456), (188, 111878), (331, 63544), (338, 62228), (376, 55939), (611, 34424), (662, 31772), (676, 31114), (1222, 17212), (1324, 15886), (1352, 15557), (2444, 8606), (2648, 7943), (4303, 4888)]