21791043

素因数分解:

$3^2\times {\mathrm{19}}^3\times {\mathrm{353}}^1$

素因数の和:416

約数の個数: 24

約数和(自身を含む): 33318480

約数和(自身を除く): 11527437

約数列:

[1, 3, 9, 19, 57, 171, 353, 361, 1059, 1083, 3177, 3249, 6707, 6859, 20121, 20577, 60363, 61731, 127433, 382299, 1146897, 2421227, 7263681, 21791043]

約数ペア:

[(1, 21791043), (3, 7263681), (9, 2421227), (19, 1146897), (57, 382299), (171, 127433), (353, 61731), (361, 60363), (1059, 20577), (1083, 20121), (3177, 6859), (3249, 6707)]