21669766

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{1237}}^1$

素因数の和:1719

約数の個数: 16

約数和(自身を含む): 34317360

約数和(自身を除く): 12647594

約数列:

[1, 2, 19, 38, 461, 922, 1237, 2474, 8759, 17518, 23503, 47006, 570257, 1140514, 10834883, 21669766]

約数ペア:

[(1, 21669766), (2, 10834883), (19, 1140514), (38, 570257), (461, 47006), (922, 23503), (1237, 17518), (2474, 8759)]