21074205

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34267}}^1$

素因数の和:34316

約数の個数: 16

約数和(自身を含む): 34542144

約数和(自身を除く): 13467939

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 34267, 102801, 171335, 514005, 1404947, 4214841, 7024735, 21074205]

約数ペア:

[(1, 21074205), (3, 7024735), (5, 4214841), (15, 1404947), (41, 514005), (123, 171335), (205, 102801), (615, 34267)]