21209234

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 35069760

約数和(自身を除く): 13860526

約数列:

[1, 2, 17, 34, 43, 86, 89, 163, 178, 326, 731, 1462, 1513, 2771, 3026, 3827, 5542, 7009, 7654, 14018, 14507, 29014, 65059, 119153, 130118, 238306, 246619, 493238, 623801, 1247602, 10604617, 21209234]

約数ペア:

[(1, 21209234), (2, 10604617), (17, 1247602), (34, 623801), (43, 493238), (86, 246619), (89, 238306), (163, 130118), (178, 119153), (326, 65059), (731, 29014), (1462, 14507), (1513, 14018), (2771, 7654), (3026, 7009), (3827, 5542)]