21256718448

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{12301}}^1$

素因数の和:12495

約数の個数: 160

約数和(自身を含む): 64923066880

約数和(自身を除く): 43666348432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 139, 148, 168, 222, 259, 278, 296, 336, 417, 444, 518, 556, 592, 777, 834, 888, 973, 1036, 1112, 1554, 1668, 1776, 1946, 2072, 2224, 2919, 3108, 3336, 3892, 4144, 5143, 5838, 6216, 6672, 7784, 10286, 11676, 12301, 12432, 15429, 15568, 20572, 23352, 24602, 30858, 36001, 36903, 41144, 46704, 49204, 61716, 72002, 73806, 82288, 86107, 98408, 108003, 123432, 144004, 147612, 172214, 196816, 216006, 246864, 258321, 288008, 295224, 344428, 432012, 455137, 516642, 576016, 590448, 688856, 864024, 910274, 1033284, 1365411, 1377712, 1709839, 1728048, 1820548, 2066568, 2730822, 3185959, 3419678, 3641096, 4133136, 5129517, 5461644, 6371918, 6839356, 7282192, 9557877, 10259034, 10923288, 11968873, 12743836, 13678712, 19115754, 20518068, 21846576, 23937746, 25487672, 27357424, 35906619, 38231508, 41036136, 47875492, 50975344, 63264043, 71813238, 76463016, 82072272, 95750984, 126528086, 143626476, 152926032, 189792129, 191501968, 253056172, 287252952, 379584258, 442848301, 506112344, 574505904, 759168516, 885696602, 1012224688, 1328544903, 1518337032, 1771393204, 2657089806, 3036674064, 3542786408, 5314179612, 7085572816, 10628359224, 21256718448]

約数ペア:

[(1, 21256718448), (2, 10628359224), (3, 7085572816), (4, 5314179612), (6, 3542786408), (7, 3036674064), (8, 2657089806), (12, 1771393204), (14, 1518337032), (16, 1328544903), (21, 1012224688), (24, 885696602), (28, 759168516), (37, 574505904), (42, 506112344), (48, 442848301), (56, 379584258), (74, 287252952), (84, 253056172), (111, 191501968), (112, 189792129), (139, 152926032), (148, 143626476), (168, 126528086), (222, 95750984), (259, 82072272), (278, 76463016), (296, 71813238), (336, 63264043), (417, 50975344), (444, 47875492), (518, 41036136), (556, 38231508), (592, 35906619), (777, 27357424), (834, 25487672), (888, 23937746), (973, 21846576), (1036, 20518068), (1112, 19115754), (1554, 13678712), (1668, 12743836), (1776, 11968873), (1946, 10923288), (2072, 10259034), (2224, 9557877), (2919, 7282192), (3108, 6839356), (3336, 6371918), (3892, 5461644), (4144, 5129517), (5143, 4133136), (5838, 3641096), (6216, 3419678), (6672, 3185959), (7784, 2730822), (10286, 2066568), (11676, 1820548), (12301, 1728048), (12432, 1709839), (15429, 1377712), (15568, 1365411), (20572, 1033284), (23352, 910274), (24602, 864024), (30858, 688856), (36001, 590448), (36903, 576016), (41144, 516642), (46704, 455137), (49204, 432012), (61716, 344428), (72002, 295224), (73806, 288008), (82288, 258321), (86107, 246864), (98408, 216006), (108003, 196816), (123432, 172214), (144004, 147612)]