21522438

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{170813}}^1$

素因数の和:170828

約数の個数: 24

約数和(自身を含む): 53293968

約数和(自身を除く): 31771530

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 170813, 341626, 512439, 1024878, 1195691, 1537317, 2391382, 3074634, 3587073, 7174146, 10761219, 21522438]

約数ペア:

[(1, 21522438), (2, 10761219), (3, 7174146), (6, 3587073), (7, 3074634), (9, 2391382), (14, 1537317), (18, 1195691), (21, 1024878), (42, 512439), (63, 341626), (126, 170813)]