21201037

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4007}}^1$

素因数の和:4068

約数の個数: 16

約数和(自身を含む): 25587072

約数和(自身を除く): 4386035

約数列:

[1, 11, 13, 37, 143, 407, 481, 4007, 5291, 44077, 52091, 148259, 573001, 1630849, 1927367, 21201037]

約数ペア:

[(1, 21201037), (11, 1927367), (13, 1630849), (37, 573001), (143, 148259), (407, 52091), (481, 44077), (4007, 5291)]