21767508

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28793}}^1$

素因数の和:28813

約数の個数: 48

約数和(自身を含む): 64498560

約数和(自身を除く): 42731052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28793, 57586, 86379, 115172, 172758, 201551, 259137, 345516, 403102, 518274, 604653, 777411, 806204, 1036548, 1209306, 1554822, 1813959, 2418612, 3109644, 3627918, 5441877, 7255836, 10883754, 21767508]

約数ペア:

[(1, 21767508), (2, 10883754), (3, 7255836), (4, 5441877), (6, 3627918), (7, 3109644), (9, 2418612), (12, 1813959), (14, 1554822), (18, 1209306), (21, 1036548), (27, 806204), (28, 777411), (36, 604653), (42, 518274), (54, 403102), (63, 345516), (84, 259137), (108, 201551), (126, 172758), (189, 115172), (252, 86379), (378, 57586), (756, 28793)]