21971964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2939}}^1$

素因数の和:3042

約数の個数: 48

約数和(自身を含む): 59270400

約数和(自身を除く): 37298436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 2939, 3738, 5878, 7476, 8817, 11756, 17634, 20573, 35268, 41146, 61719, 82292, 123438, 246876, 261571, 523142, 784713, 1046284, 1569426, 1830997, 3138852, 3661994, 5492991, 7323988, 10985982, 21971964]

約数ペア:

[(1, 21971964), (2, 10985982), (3, 7323988), (4, 5492991), (6, 3661994), (7, 3138852), (12, 1830997), (14, 1569426), (21, 1046284), (28, 784713), (42, 523142), (84, 261571), (89, 246876), (178, 123438), (267, 82292), (356, 61719), (534, 41146), (623, 35268), (1068, 20573), (1246, 17634), (1869, 11756), (2492, 8817), (2939, 7476), (3738, 5878)]