21224589

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{1381}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 29187840

約数和(自身を除く): 7963251

約数列:

[1, 3, 47, 109, 141, 327, 1381, 4143, 5123, 15369, 64907, 150529, 194721, 451587, 7074863, 21224589]

約数ペア:

[(1, 21224589), (3, 7074863), (47, 451587), (109, 194721), (141, 150529), (327, 64907), (1381, 15369), (4143, 5123)]