21217730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{92251}}^1$

素因数の和:92281

約数の個数: 16

約数和(自身を含む): 39852864

約数和(自身を除く): 18635134

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 92251, 184502, 461255, 922510, 2121773, 4243546, 10608865, 21217730]

約数ペア:

[(1, 21217730), (2, 10608865), (5, 4243546), (10, 2121773), (23, 922510), (46, 461255), (115, 184502), (230, 92251)]