21222032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:675

約数の個数: 40

約数和(自身を含む): 44564856

約数和(自身を除く): 23342824

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 257, 397, 514, 794, 1028, 1588, 2056, 3176, 3341, 4112, 5161, 6352, 6682, 10322, 13364, 20644, 26728, 41288, 53456, 82576, 102029, 204058, 408116, 816232, 1326377, 1632464, 2652754, 5305508, 10611016, 21222032]

約数ペア:

[(1, 21222032), (2, 10611016), (4, 5305508), (8, 2652754), (13, 1632464), (16, 1326377), (26, 816232), (52, 408116), (104, 204058), (208, 102029), (257, 82576), (397, 53456), (514, 41288), (794, 26728), (1028, 20644), (1588, 13364), (2056, 10322), (3176, 6682), (3341, 6352), (4112, 5161)]