21983193

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6247}}^1$

素因数の和:6293

約数の個数: 24

約数和(自身を含む): 35088768

約数和(自身を除く): 13105575

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 6247, 18741, 56223, 106199, 143681, 318597, 431043, 955791, 1293129, 2442577, 7327731, 21983193]

約数ペア:

[(1, 21983193), (3, 7327731), (9, 2442577), (17, 1293129), (23, 955791), (51, 431043), (69, 318597), (153, 143681), (207, 106199), (391, 56223), (1173, 18741), (3519, 6247)]