21269418

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 43577664

約数和(自身を除く): 22308246

約数列:

[1, 2, 3, 6, 67, 134, 157, 201, 314, 337, 402, 471, 674, 942, 1011, 2022, 10519, 21038, 22579, 31557, 45158, 52909, 63114, 67737, 105818, 135474, 158727, 317454, 3544903, 7089806, 10634709, 21269418]

約数ペア:

[(1, 21269418), (2, 10634709), (3, 7089806), (6, 3544903), (67, 317454), (134, 158727), (157, 135474), (201, 105818), (314, 67737), (337, 63114), (402, 52909), (471, 45158), (674, 31557), (942, 22579), (1011, 21038), (2022, 10519)]