21835611

素因数分解:

$3^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{607}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 36168704

約数和(自身を除く): 14333093

約数列:

[1, 3, 7, 9, 21, 63, 571, 607, 1713, 1821, 3997, 4249, 5139, 5463, 11991, 12747, 35973, 38241, 346597, 1039791, 2426179, 3119373, 7278537, 21835611]

約数ペア:

[(1, 21835611), (3, 7278537), (7, 3119373), (9, 2426179), (21, 1039791), (63, 346597), (571, 38241), (607, 35973), (1713, 12747), (1821, 11991), (3997, 5463), (4249, 5139)]