21992565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4871}}^1$

素因数の和:4929

約数の個数: 32

約数和(自身を含む): 41158656

約数和(自身を除く): 19166091

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 4871, 14613, 24355, 34097, 73065, 102291, 170485, 209453, 511455, 628359, 1047265, 1466171, 3141795, 4398513, 7330855, 21992565]

約数ペア:

[(1, 21992565), (3, 7330855), (5, 4398513), (7, 3141795), (15, 1466171), (21, 1047265), (35, 628359), (43, 511455), (105, 209453), (129, 170485), (215, 102291), (301, 73065), (645, 34097), (903, 24355), (1505, 14613), (4515, 4871)]