21033495

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9539}}^1$

素因数の和:9564

約数の個数: 36

約数和(自身を含む): 42414840

約数和(自身を除く): 21381345

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9539, 28617, 47695, 66773, 85851, 143085, 200319, 333865, 429255, 467411, 600957, 1001595, 1402233, 2337055, 3004785, 4206699, 7011165, 21033495]

約数ペア:

[(1, 21033495), (3, 7011165), (5, 4206699), (7, 3004785), (9, 2337055), (15, 1402233), (21, 1001595), (35, 600957), (45, 467411), (49, 429255), (63, 333865), (105, 200319), (147, 143085), (245, 85851), (315, 66773), (441, 47695), (735, 28617), (2205, 9539)]