21327018

素因数分解:

$2^1\times 3^1\times {\mathrm{421}}^1\times {\mathrm{8443}}^1$

素因数の和:8869

約数の個数: 16

約数和(自身を含む): 42760416

約数和(自身を除く): 21433398

約数列:

[1, 2, 3, 6, 421, 842, 1263, 2526, 8443, 16886, 25329, 50658, 3554503, 7109006, 10663509, 21327018]

約数ペア:

[(1, 21327018), (2, 10663509), (3, 7109006), (6, 3554503), (421, 50658), (842, 25329), (1263, 16886), (2526, 8443)]