21604484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1699}}^1$

素因数の和:1748

約数の個数: 36

約数和(自身を含む): 43839600

約数和(自身を除く): 22235116

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 289, 374, 578, 748, 1156, 1699, 3179, 3398, 6358, 6796, 12716, 18689, 28883, 37378, 57766, 74756, 115532, 317713, 491011, 635426, 982022, 1270852, 1964044, 5401121, 10802242, 21604484]

約数ペア:

[(1, 21604484), (2, 10802242), (4, 5401121), (11, 1964044), (17, 1270852), (22, 982022), (34, 635426), (44, 491011), (68, 317713), (187, 115532), (289, 74756), (374, 57766), (578, 37378), (748, 28883), (1156, 18689), (1699, 12716), (3179, 6796), (3398, 6358)]