21341210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1481}}^1$

素因数の和:1630

約数の個数: 32

約数和(自身を含む): 42254784

約数和(自身を除く): 20913574

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 1481, 2882, 2962, 7205, 7405, 14410, 14810, 16291, 32582, 81455, 162910, 194011, 388022, 970055, 1940110, 2134121, 4268242, 10670605, 21341210]

約数ペア:

[(1, 21341210), (2, 10670605), (5, 4268242), (10, 2134121), (11, 1940110), (22, 970055), (55, 388022), (110, 194011), (131, 162910), (262, 81455), (655, 32582), (1310, 16291), (1441, 14810), (1481, 14410), (2882, 7405), (2962, 7205)]