21029546335

素因数分解:

$5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{546719}}^1$

素因数の和:546895

約数の個数: 24

約数和(自身を含む): 29542561920

約数和(自身を除く): 8513015585

約数列:

[1, 5, 7, 35, 49, 157, 245, 785, 1099, 5495, 7693, 38465, 546719, 2733595, 3827033, 19135165, 26789231, 85834883, 133946155, 429174415, 600844181, 3004220905, 4205909267, 21029546335]

約数ペア:

[(1, 21029546335), (5, 4205909267), (7, 3004220905), (35, 600844181), (49, 429174415), (157, 133946155), (245, 85834883), (785, 26789231), (1099, 19135165), (5495, 3827033), (7693, 2733595), (38465, 546719)]