21983173628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{90197}}^1$

素因数の和:90366

約数の個数: 48

約数和(自身を含む): 42782715360

約数和(自身を除く): 20799541732

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 109, 172, 218, 436, 559, 1118, 1417, 2236, 2834, 4687, 5668, 9374, 18748, 60931, 90197, 121862, 180394, 243724, 360788, 1172561, 2345122, 3878471, 4690244, 7756942, 9831473, 15513884, 19662946, 39325892, 50420123, 100840246, 127809149, 201680492, 255618298, 422753339, 511236596, 845506678, 1691013356, 5495793407, 10991586814, 21983173628]

約数ペア:

[(1, 21983173628), (2, 10991586814), (4, 5495793407), (13, 1691013356), (26, 845506678), (43, 511236596), (52, 422753339), (86, 255618298), (109, 201680492), (172, 127809149), (218, 100840246), (436, 50420123), (559, 39325892), (1118, 19662946), (1417, 15513884), (2236, 9831473), (2834, 7756942), (4687, 4690244), (5668, 3878471), (9374, 2345122), (18748, 1172561), (60931, 360788), (90197, 243724), (121862, 180394)]