21505198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{75193}}^1$

素因数の和:75219

約数の個数: 16

約数和(自身を含む): 37897776

約数和(自身を除く): 16392578

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 75193, 150386, 827123, 977509, 1654246, 1955018, 10752599, 21505198]

約数ペア:

[(1, 21505198), (2, 10752599), (11, 1955018), (13, 1654246), (22, 977509), (26, 827123), (143, 150386), (286, 75193)]