21245475

素因数分解:

$3^1\times 5^2\times {\mathrm{229}}^1\times {\mathrm{1237}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 35307760

約数和(自身を除く): 14062285

約数列:

[1, 3, 5, 15, 25, 75, 229, 687, 1145, 1237, 3435, 3711, 5725, 6185, 17175, 18555, 30925, 92775, 283273, 849819, 1416365, 4249095, 7081825, 21245475]

約数ペア:

[(1, 21245475), (3, 7081825), (5, 4249095), (15, 1416365), (25, 849819), (75, 283273), (229, 92775), (687, 30925), (1145, 18555), (1237, 17175), (3435, 6185), (3711, 5725)]