21567360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 128

約数和(自身を含む): 70502400

約数和(自身を除く): 48935040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 128, 141, 160, 188, 192, 235, 239, 240, 282, 320, 376, 384, 470, 478, 480, 564, 640, 705, 717, 752, 940, 956, 960, 1128, 1195, 1410, 1434, 1504, 1880, 1912, 1920, 2256, 2390, 2820, 2868, 3008, 3585, 3760, 3824, 4512, 4780, 5640, 5736, 6016, 7170, 7520, 7648, 9024, 9560, 11233, 11280, 11472, 14340, 15040, 15296, 18048, 19120, 22466, 22560, 22944, 28680, 30080, 30592, 33699, 38240, 44932, 45120, 45888, 56165, 57360, 67398, 76480, 89864, 90240, 91776, 112330, 114720, 134796, 152960, 168495, 179728, 224660, 229440, 269592, 336990, 359456, 449320, 458880, 539184, 673980, 718912, 898640, 1078368, 1347960, 1437824, 1797280, 2156736, 2695920, 3594560, 4313472, 5391840, 7189120, 10783680, 21567360]

約数ペア:

[(1, 21567360), (2, 10783680), (3, 7189120), (4, 5391840), (5, 4313472), (6, 3594560), (8, 2695920), (10, 2156736), (12, 1797280), (15, 1437824), (16, 1347960), (20, 1078368), (24, 898640), (30, 718912), (32, 673980), (40, 539184), (47, 458880), (48, 449320), (60, 359456), (64, 336990), (80, 269592), (94, 229440), (96, 224660), (120, 179728), (128, 168495), (141, 152960), (160, 134796), (188, 114720), (192, 112330), (235, 91776), (239, 90240), (240, 89864), (282, 76480), (320, 67398), (376, 57360), (384, 56165), (470, 45888), (478, 45120), (480, 44932), (564, 38240), (640, 33699), (705, 30592), (717, 30080), (752, 28680), (940, 22944), (956, 22560), (960, 22466), (1128, 19120), (1195, 18048), (1410, 15296), (1434, 15040), (1504, 14340), (1880, 11472), (1912, 11280), (1920, 11233), (2256, 9560), (2390, 9024), (2820, 7648), (2868, 7520), (3008, 7170), (3585, 6016), (3760, 5736), (3824, 5640), (4512, 4780)]