21052845

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14177}}^1$

素因数の和:14202

約数の個数: 32

約数和(自身を含む): 40832640

約数和(自身を除く): 19779795

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 14177, 42531, 70885, 127593, 155947, 212655, 382779, 467841, 637965, 779735, 1403523, 1913895, 2339205, 4210569, 7017615, 21052845]

約数ペア:

[(1, 21052845), (3, 7017615), (5, 4210569), (9, 2339205), (11, 1913895), (15, 1403523), (27, 779735), (33, 637965), (45, 467841), (55, 382779), (99, 212655), (135, 155947), (165, 127593), (297, 70885), (495, 42531), (1485, 14177)]