21834813

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 39444608

約数和(自身を除く): 17609795

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 121, 143, 231, 273, 363, 429, 661, 847, 1001, 1573, 1983, 2541, 3003, 4627, 4719, 7271, 8593, 11011, 13881, 21813, 25779, 33033, 50897, 60151, 79981, 94523, 152691, 180453, 239943, 283569, 559867, 661661, 1039753, 1679601, 1984983, 3119259, 7278271, 21834813]

約数ペア:

[(1, 21834813), (3, 7278271), (7, 3119259), (11, 1984983), (13, 1679601), (21, 1039753), (33, 661661), (39, 559867), (77, 283569), (91, 239943), (121, 180453), (143, 152691), (231, 94523), (273, 79981), (363, 60151), (429, 50897), (661, 33033), (847, 25779), (1001, 21813), (1573, 13881), (1983, 11011), (2541, 8593), (3003, 7271), (4627, 4719)]