21060603

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{769}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 32432400

約数和(自身を除く): 11371797

約数列:

[1, 3, 9, 17, 51, 153, 179, 537, 769, 1611, 2307, 3043, 6921, 9129, 13073, 27387, 39219, 117657, 137651, 412953, 1238859, 2340067, 7020201, 21060603]

約数ペア:

[(1, 21060603), (3, 7020201), (9, 2340067), (17, 1238859), (51, 412953), (153, 137651), (179, 117657), (537, 39219), (769, 27387), (1611, 13073), (2307, 9129), (3043, 6921)]