21990802

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{6911}}^1$

素因数の和:6993

約数の個数: 16

約数和(自身を含む): 34670592

約数和(自身を除く): 12679790

約数列:

[1, 2, 37, 43, 74, 86, 1591, 3182, 6911, 13822, 255707, 297173, 511414, 594346, 10995401, 21990802]

約数ペア:

[(1, 21990802), (2, 10995401), (37, 594346), (43, 511414), (74, 297173), (86, 255707), (1591, 13822), (3182, 6911)]