21396396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2473}}^1$

素因数の和:2590

約数の個数: 48

約数和(自身を含む): 57634304

約数和(自身を除く): 36237908

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 206, 309, 412, 618, 721, 1236, 1442, 2163, 2473, 2884, 4326, 4946, 7419, 8652, 9892, 14838, 17311, 29676, 34622, 51933, 69244, 103866, 207732, 254719, 509438, 764157, 1018876, 1528314, 1783033, 3056628, 3566066, 5349099, 7132132, 10698198, 21396396]

約数ペア:

[(1, 21396396), (2, 10698198), (3, 7132132), (4, 5349099), (6, 3566066), (7, 3056628), (12, 1783033), (14, 1528314), (21, 1018876), (28, 764157), (42, 509438), (84, 254719), (103, 207732), (206, 103866), (309, 69244), (412, 51933), (618, 34622), (721, 29676), (1236, 17311), (1442, 14838), (2163, 9892), (2473, 8652), (2884, 7419), (4326, 4946)]