21296847

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{4513}}^1$

素因数の和:4551

約数の個数: 24

約数和(自身を含む): 33620272

約数和(自身を除く): 12323425

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 363, 429, 1573, 4513, 4719, 13539, 49643, 58669, 148929, 176007, 546073, 645359, 1638219, 1936077, 7098949, 21296847]

約数ペア:

[(1, 21296847), (3, 7098949), (11, 1936077), (13, 1638219), (33, 645359), (39, 546073), (121, 176007), (143, 148929), (363, 58669), (429, 49643), (1573, 13539), (4513, 4719)]