21123036

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1301}}^1$

素因数の和:1363

約数の個数: 72

約数和(自身を含む): 59714928

約数和(自身を除く): 38591892

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 41, 44, 66, 82, 99, 123, 132, 164, 198, 246, 369, 396, 451, 492, 738, 902, 1301, 1353, 1476, 1804, 2602, 2706, 3903, 4059, 5204, 5412, 7806, 8118, 11709, 14311, 15612, 16236, 23418, 28622, 42933, 46836, 53341, 57244, 85866, 106682, 128799, 160023, 171732, 213364, 257598, 320046, 480069, 515196, 586751, 640092, 960138, 1173502, 1760253, 1920276, 2347004, 3520506, 5280759, 7041012, 10561518, 21123036]

約数ペア:

[(1, 21123036), (2, 10561518), (3, 7041012), (4, 5280759), (6, 3520506), (9, 2347004), (11, 1920276), (12, 1760253), (18, 1173502), (22, 960138), (33, 640092), (36, 586751), (41, 515196), (44, 480069), (66, 320046), (82, 257598), (99, 213364), (123, 171732), (132, 160023), (164, 128799), (198, 106682), (246, 85866), (369, 57244), (396, 53341), (451, 46836), (492, 42933), (738, 28622), (902, 23418), (1301, 16236), (1353, 15612), (1476, 14311), (1804, 11709), (2602, 8118), (2706, 7806), (3903, 5412), (4059, 5204)]