21156041

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 2068279

約数列:

[1, 17, 41, 127, 239, 697, 2159, 4063, 5207, 9799, 30353, 88519, 166583, 516001, 1244473, 21156041]

約数ペア:

[(1, 21156041), (17, 1244473), (41, 516001), (127, 166583), (239, 88519), (697, 30353), (2159, 9799), (4063, 5207)]