21123696

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{3637}}^1$

素因数の和:3670

約数の個数: 60

約数和(自身を含む): 59997896

約数和(自身を除く): 38874200

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 121, 132, 176, 242, 264, 363, 484, 528, 726, 968, 1452, 1936, 2904, 3637, 5808, 7274, 10911, 14548, 21822, 29096, 40007, 43644, 58192, 80014, 87288, 120021, 160028, 174576, 240042, 320056, 440077, 480084, 640112, 880154, 960168, 1320231, 1760308, 1920336, 2640462, 3520616, 5280924, 7041232, 10561848, 21123696]

約数ペア:

[(1, 21123696), (2, 10561848), (3, 7041232), (4, 5280924), (6, 3520616), (8, 2640462), (11, 1920336), (12, 1760308), (16, 1320231), (22, 960168), (24, 880154), (33, 640112), (44, 480084), (48, 440077), (66, 320056), (88, 240042), (121, 174576), (132, 160028), (176, 120021), (242, 87288), (264, 80014), (363, 58192), (484, 43644), (528, 40007), (726, 29096), (968, 21822), (1452, 14548), (1936, 10911), (2904, 7274), (3637, 5808)]