21454407

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{787}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 33559344

約数和(自身を除く): 12104937

約数列:

[1, 3, 9, 13, 39, 117, 233, 699, 787, 2097, 2361, 3029, 7083, 9087, 10231, 27261, 30693, 92079, 183371, 550113, 1650339, 2383823, 7151469, 21454407]

約数ペア:

[(1, 21454407), (3, 7151469), (9, 2383823), (13, 1650339), (39, 550113), (117, 183371), (233, 92079), (699, 30693), (787, 27261), (2097, 10231), (2361, 9087), (3029, 7083)]