21749280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6473}}^1$

素因数の和:6498

約数の個数: 96

約数和(自身を含む): 78309504

約数和(自身を除く): 56560224

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, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6473, 12946, 19419, 25892, 32365, 38838, 45311, 51784, 64730, 77676, 90622, 97095, 103568, 129460, 135933, 155352, 181244, 194190, 207136, 226555, 258920, 271866, 310704, 362488, 388380, 453110, 517840, 543732, 621408, 679665, 724976, 776760, 906220, 1035680, 1087464, 1359330, 1449952, 1553520, 1812440, 2174928, 2718660, 3107040, 3624880, 4349856, 5437320, 7249760, 10874640, 21749280]

約数ペア:

[(1, 21749280), (2, 10874640), (3, 7249760), (4, 5437320), (5, 4349856), (6, 3624880), (7, 3107040), (8, 2718660), (10, 2174928), (12, 1812440), (14, 1553520), (15, 1449952), (16, 1359330), (20, 1087464), (21, 1035680), (24, 906220), (28, 776760), (30, 724976), (32, 679665), (35, 621408), (40, 543732), (42, 517840), (48, 453110), (56, 388380), (60, 362488), (70, 310704), (80, 271866), (84, 258920), (96, 226555), (105, 207136), (112, 194190), (120, 181244), (140, 155352), (160, 135933), (168, 129460), (210, 103568), (224, 97095), (240, 90622), (280, 77676), (336, 64730), (420, 51784), (480, 45311), (560, 38838), (672, 32365), (840, 25892), (1120, 19419), (1680, 12946), (3360, 6473)]