21819663

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{4583}}^1$

素因数の和:4635

約数の個数: 18

約数和(自身を含む): 32954376

約数和(自身を除く): 11134713

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4583, 4761, 13749, 41247, 105409, 316227, 948681, 2424407, 7273221, 21819663]

約数ペア:

[(1, 21819663), (3, 7273221), (9, 2424407), (23, 948681), (69, 316227), (207, 105409), (529, 41247), (1587, 13749), (4583, 4761)]