21000570645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82355179}}^1$

素因数の和:82355204

約数の個数: 16

約数和(自身を含む): 35577437760

約数和(自身を除く): 14576867115

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 82355179, 247065537, 411775895, 1235327685, 1400038043, 4200114129, 7000190215, 21000570645]

約数ペア:

[(1, 21000570645), (3, 7000190215), (5, 4200114129), (15, 1400038043), (17, 1235327685), (51, 411775895), (85, 247065537), (255, 82355179)]