21710886

素因数分解:

$2^1\times 3^1\times {\mathrm{509}}^1\times {\mathrm{7109}}^1$

素因数の和:7623

約数の個数: 16

約数和(自身を含む): 43513200

約数和(自身を除く): 21802314

約数列:

[1, 2, 3, 6, 509, 1018, 1527, 3054, 7109, 14218, 21327, 42654, 3618481, 7236962, 10855443, 21710886]

約数ペア:

[(1, 21710886), (2, 10855443), (3, 7236962), (6, 3618481), (509, 42654), (1018, 21327), (1527, 14218), (3054, 7109)]