21514560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:400

約数の個数: 112

約数和(自身を含む): 69470016

約数和(自身を除く): 47955456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 146, 160, 192, 219, 240, 292, 307, 320, 365, 438, 480, 584, 614, 730, 876, 921, 960, 1095, 1168, 1228, 1460, 1535, 1752, 1842, 2190, 2336, 2456, 2920, 3070, 3504, 3684, 4380, 4605, 4672, 4912, 5840, 6140, 7008, 7368, 8760, 9210, 9824, 11680, 12280, 14016, 14736, 17520, 18420, 19648, 22411, 23360, 24560, 29472, 35040, 36840, 44822, 49120, 58944, 67233, 70080, 73680, 89644, 98240, 112055, 134466, 147360, 179288, 224110, 268932, 294720, 336165, 358576, 448220, 537864, 672330, 717152, 896440, 1075728, 1344660, 1434304, 1792880, 2151456, 2689320, 3585760, 4302912, 5378640, 7171520, 10757280, 21514560]

約数ペア:

[(1, 21514560), (2, 10757280), (3, 7171520), (4, 5378640), (5, 4302912), (6, 3585760), (8, 2689320), (10, 2151456), (12, 1792880), (15, 1434304), (16, 1344660), (20, 1075728), (24, 896440), (30, 717152), (32, 672330), (40, 537864), (48, 448220), (60, 358576), (64, 336165), (73, 294720), (80, 268932), (96, 224110), (120, 179288), (146, 147360), (160, 134466), (192, 112055), (219, 98240), (240, 89644), (292, 73680), (307, 70080), (320, 67233), (365, 58944), (438, 49120), (480, 44822), (584, 36840), (614, 35040), (730, 29472), (876, 24560), (921, 23360), (960, 22411), (1095, 19648), (1168, 18420), (1228, 17520), (1460, 14736), (1535, 14016), (1752, 12280), (1842, 11680), (2190, 9824), (2336, 9210), (2456, 8760), (2920, 7368), (3070, 7008), (3504, 6140), (3684, 5840), (4380, 4912), (4605, 4672)]