21160850

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{5099}}^1$

素因数の和:5194

約数の個数: 24

約数和(自身を含む): 39841200

約数和(自身を除く): 18680350

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 5099, 10198, 25495, 50990, 127475, 254950, 423217, 846434, 2116085, 4232170, 10580425, 21160850]

約数ペア:

[(1, 21160850), (2, 10580425), (5, 4232170), (10, 2116085), (25, 846434), (50, 423217), (83, 254950), (166, 127475), (415, 50990), (830, 25495), (2075, 10198), (4150, 5099)]