21342888

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 192

約数和(自身を含む): 72783360

約数和(自身を除く): 51440472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 47, 51, 53, 56, 63, 68, 72, 84, 94, 102, 106, 119, 126, 136, 141, 153, 159, 168, 188, 204, 212, 238, 252, 282, 306, 318, 329, 357, 371, 376, 408, 423, 424, 476, 477, 504, 564, 612, 636, 658, 714, 742, 799, 846, 901, 952, 954, 987, 1071, 1113, 1128, 1224, 1272, 1316, 1428, 1484, 1598, 1692, 1802, 1908, 1974, 2142, 2226, 2397, 2491, 2632, 2703, 2856, 2961, 2968, 3196, 3339, 3384, 3604, 3816, 3948, 4284, 4452, 4794, 4982, 5406, 5593, 5922, 6307, 6392, 6678, 7191, 7208, 7473, 7896, 8109, 8568, 8904, 9588, 9964, 10812, 11186, 11844, 12614, 13356, 14382, 14946, 16218, 16779, 17437, 18921, 19176, 19928, 21624, 22372, 22419, 23688, 25228, 26712, 28764, 29892, 32436, 33558, 34874, 37842, 42347, 44744, 44838, 50337, 50456, 52311, 56763, 57528, 59784, 64872, 67116, 69748, 75684, 84694, 89676, 100674, 104622, 113526, 127041, 134232, 139496, 151368, 156933, 169388, 179352, 201348, 209244, 227052, 254082, 296429, 313866, 338776, 381123, 402696, 418488, 454104, 508164, 592858, 627732, 762246, 889287, 1016328, 1185716, 1255464, 1524492, 1778574, 2371432, 2667861, 3048984, 3557148, 5335722, 7114296, 10671444, 21342888]

約数ペア:

[(1, 21342888), (2, 10671444), (3, 7114296), (4, 5335722), (6, 3557148), (7, 3048984), (8, 2667861), (9, 2371432), (12, 1778574), (14, 1524492), (17, 1255464), (18, 1185716), (21, 1016328), (24, 889287), (28, 762246), (34, 627732), (36, 592858), (42, 508164), (47, 454104), (51, 418488), (53, 402696), (56, 381123), (63, 338776), (68, 313866), (72, 296429), (84, 254082), (94, 227052), (102, 209244), (106, 201348), (119, 179352), (126, 169388), (136, 156933), (141, 151368), (153, 139496), (159, 134232), (168, 127041), (188, 113526), (204, 104622), (212, 100674), (238, 89676), (252, 84694), (282, 75684), (306, 69748), (318, 67116), (329, 64872), (357, 59784), (371, 57528), (376, 56763), (408, 52311), (423, 50456), (424, 50337), (476, 44838), (477, 44744), (504, 42347), (564, 37842), (612, 34874), (636, 33558), (658, 32436), (714, 29892), (742, 28764), (799, 26712), (846, 25228), (901, 23688), (952, 22419), (954, 22372), (987, 21624), (1071, 19928), (1113, 19176), (1128, 18921), (1224, 17437), (1272, 16779), (1316, 16218), (1428, 14946), (1484, 14382), (1598, 13356), (1692, 12614), (1802, 11844), (1908, 11186), (1974, 10812), (2142, 9964), (2226, 9588), (2397, 8904), (2491, 8568), (2632, 8109), (2703, 7896), (2856, 7473), (2961, 7208), (2968, 7191), (3196, 6678), (3339, 6392), (3384, 6307), (3604, 5922), (3816, 5593), (3948, 5406), (4284, 4982), (4452, 4794)]