21759360

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{1619}}^1$

素因数の和:1648

約数の個数: 128

約数和(自身を含む): 79315200

約数和(自身を除く): 57555840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1619, 1680, 1920, 2240, 2688, 3238, 3360, 4480, 4857, 6476, 6720, 8095, 9714, 11333, 12952, 13440, 16190, 19428, 22666, 24285, 25904, 32380, 33999, 38856, 45332, 48570, 51808, 56665, 64760, 67998, 77712, 90664, 97140, 103616, 113330, 129520, 135996, 155424, 169995, 181328, 194280, 207232, 226660, 259040, 271992, 310848, 339990, 362656, 388560, 453320, 518080, 543984, 621696, 679980, 725312, 777120, 906640, 1036160, 1087968, 1359960, 1450624, 1554240, 1813280, 2175936, 2719920, 3108480, 3626560, 4351872, 5439840, 7253120, 10879680, 21759360]

約数ペア:

[(1, 21759360), (2, 10879680), (3, 7253120), (4, 5439840), (5, 4351872), (6, 3626560), (7, 3108480), (8, 2719920), (10, 2175936), (12, 1813280), (14, 1554240), (15, 1450624), (16, 1359960), (20, 1087968), (21, 1036160), (24, 906640), (28, 777120), (30, 725312), (32, 679980), (35, 621696), (40, 543984), (42, 518080), (48, 453320), (56, 388560), (60, 362656), (64, 339990), (70, 310848), (80, 271992), (84, 259040), (96, 226660), (105, 207232), (112, 194280), (120, 181328), (128, 169995), (140, 155424), (160, 135996), (168, 129520), (192, 113330), (210, 103616), (224, 97140), (240, 90664), (280, 77712), (320, 67998), (336, 64760), (384, 56665), (420, 51808), (448, 48570), (480, 45332), (560, 38856), (640, 33999), (672, 32380), (840, 25904), (896, 24285), (960, 22666), (1120, 19428), (1344, 16190), (1619, 13440), (1680, 12952), (1920, 11333), (2240, 9714), (2688, 8095), (3238, 6720), (3360, 6476), (4480, 4857)]