21046179

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2939}}^1$

素因数の和:2991

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 15080541

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 2939, 7161, 8817, 20573, 32329, 61719, 91109, 96987, 226303, 273327, 637763, 678909, 1002199, 1913289, 3006597, 7015393, 21046179]

約数ペア:

[(1, 21046179), (3, 7015393), (7, 3006597), (11, 1913289), (21, 1002199), (31, 678909), (33, 637763), (77, 273327), (93, 226303), (217, 96987), (231, 91109), (341, 61719), (651, 32329), (1023, 20573), (2387, 8817), (2939, 7161)]