21886616

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6997}}^1$

素因数の和:7043

約数の個数: 32

約数和(自身を含む): 45347040

約数和(自身を除く): 23460424

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 6997, 13994, 27988, 55976, 118949, 160931, 237898, 321862, 475796, 643724, 951592, 1287448, 2735827, 5471654, 10943308, 21886616]

約数ペア:

[(1, 21886616), (2, 10943308), (4, 5471654), (8, 2735827), (17, 1287448), (23, 951592), (34, 643724), (46, 475796), (68, 321862), (92, 237898), (136, 160931), (184, 118949), (391, 55976), (782, 27988), (1564, 13994), (3128, 6997)]