21210370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{92219}}^1$

素因数の和:92249

約数の個数: 16

約数和(自身を含む): 39839040

約数和(自身を除く): 18628670

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 92219, 184438, 461095, 922190, 2121037, 4242074, 10605185, 21210370]

約数ペア:

[(1, 21210370), (2, 10605185), (5, 4242074), (10, 2121037), (23, 922190), (46, 461095), (115, 184438), (230, 92219)]