21738528

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:327

約数の個数: 144

約数和(自身を含む): 72648576

約数和(自身を除く): 50910048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 41, 42, 48, 56, 63, 72, 82, 84, 96, 112, 123, 126, 144, 164, 168, 224, 246, 252, 263, 287, 288, 328, 336, 369, 492, 504, 526, 574, 656, 672, 738, 789, 861, 984, 1008, 1052, 1148, 1312, 1476, 1578, 1722, 1841, 1968, 2016, 2104, 2296, 2367, 2583, 2952, 3156, 3444, 3682, 3936, 4208, 4592, 4734, 5166, 5523, 5904, 6312, 6888, 7364, 8416, 9184, 9468, 10332, 10783, 11046, 11808, 12624, 13776, 14728, 16569, 18936, 20664, 21566, 22092, 25248, 27552, 29456, 32349, 33138, 37872, 41328, 43132, 44184, 58912, 64698, 66276, 75481, 75744, 82656, 86264, 88368, 97047, 129396, 132552, 150962, 172528, 176736, 194094, 226443, 258792, 265104, 301924, 345056, 388188, 452886, 517584, 530208, 603848, 679329, 776376, 905772, 1035168, 1207696, 1358658, 1552752, 1811544, 2415392, 2717316, 3105504, 3623088, 5434632, 7246176, 10869264, 21738528]

約数ペア:

[(1, 21738528), (2, 10869264), (3, 7246176), (4, 5434632), (6, 3623088), (7, 3105504), (8, 2717316), (9, 2415392), (12, 1811544), (14, 1552752), (16, 1358658), (18, 1207696), (21, 1035168), (24, 905772), (28, 776376), (32, 679329), (36, 603848), (41, 530208), (42, 517584), (48, 452886), (56, 388188), (63, 345056), (72, 301924), (82, 265104), (84, 258792), (96, 226443), (112, 194094), (123, 176736), (126, 172528), (144, 150962), (164, 132552), (168, 129396), (224, 97047), (246, 88368), (252, 86264), (263, 82656), (287, 75744), (288, 75481), (328, 66276), (336, 64698), (369, 58912), (492, 44184), (504, 43132), (526, 41328), (574, 37872), (656, 33138), (672, 32349), (738, 29456), (789, 27552), (861, 25248), (984, 22092), (1008, 21566), (1052, 20664), (1148, 18936), (1312, 16569), (1476, 14728), (1578, 13776), (1722, 12624), (1841, 11808), (1968, 11046), (2016, 10783), (2104, 10332), (2296, 9468), (2367, 9184), (2583, 8416), (2952, 7364), (3156, 6888), (3444, 6312), (3682, 5904), (3936, 5523), (4208, 5166), (4592, 4734)]