21845630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4999}}^1$

素因数の和:5048

約数の個数: 32

約数和(自身を含む): 43200000

約数和(自身を除く): 21354370

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4999, 9998, 24995, 49990, 94981, 114977, 189962, 229954, 474905, 574885, 949810, 1149770, 2184563, 4369126, 10922815, 21845630]

約数ペア:

[(1, 21845630), (2, 10922815), (5, 4369126), (10, 2184563), (19, 1149770), (23, 949810), (38, 574885), (46, 474905), (95, 229954), (115, 189962), (190, 114977), (230, 94981), (437, 49990), (874, 24995), (2185, 9998), (4370, 4999)]