21386674510

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{259201}}^1$

素因数の和:259468

約数の個数: 32

約数和(自身を含む): 39713893632

約数和(自身を除く): 18327219122

約数列:

[1, 2, 5, 10, 37, 74, 185, 223, 370, 446, 1115, 2230, 8251, 16502, 41255, 82510, 259201, 518402, 1296005, 2592010, 9590437, 19180874, 47952185, 57801823, 95904370, 115603646, 289009115, 578018230, 2138667451, 4277334902, 10693337255, 21386674510]

約数ペア:

[(1, 21386674510), (2, 10693337255), (5, 4277334902), (10, 2138667451), (37, 578018230), (74, 289009115), (185, 115603646), (223, 95904370), (370, 57801823), (446, 47952185), (1115, 19180874), (2230, 9590437), (8251, 2592010), (16502, 1296005), (41255, 518402), (82510, 259201)]