21972384

素因数分解:

$2^5\times 3^4\times 7^2\times {\mathrm{173}}^1$

素因数の和:209

約数の個数: 180

約数和(自身を含む): 75604914

約数和(自身を除く): 53632530

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 168, 173, 189, 196, 216, 224, 252, 288, 294, 324, 336, 346, 378, 392, 432, 441, 504, 519, 567, 588, 648, 672, 692, 756, 784, 864, 882, 1008, 1038, 1134, 1176, 1211, 1296, 1323, 1384, 1512, 1557, 1568, 1764, 2016, 2076, 2268, 2352, 2422, 2592, 2646, 2768, 3024, 3114, 3528, 3633, 3969, 4152, 4536, 4671, 4704, 4844, 5292, 5536, 6048, 6228, 7056, 7266, 7938, 8304, 8477, 9072, 9342, 9688, 10584, 10899, 12456, 14013, 14112, 14532, 15876, 16608, 16954, 18144, 18684, 19376, 21168, 21798, 24912, 25431, 28026, 29064, 31752, 32697, 33908, 37368, 38752, 42336, 43596, 49824, 50862, 56052, 58128, 63504, 65394, 67816, 74736, 76293, 87192, 98091, 101724, 112104, 116256, 127008, 130788, 135632, 149472, 152586, 174384, 196182, 203448, 224208, 228879, 261576, 271264, 305172, 348768, 392364, 406896, 448416, 457758, 523152, 610344, 686637, 784728, 813792, 915516, 1046304, 1220688, 1373274, 1569456, 1831032, 2441376, 2746548, 3138912, 3662064, 5493096, 7324128, 10986192, 21972384]

約数ペア:

[(1, 21972384), (2, 10986192), (3, 7324128), (4, 5493096), (6, 3662064), (7, 3138912), (8, 2746548), (9, 2441376), (12, 1831032), (14, 1569456), (16, 1373274), (18, 1220688), (21, 1046304), (24, 915516), (27, 813792), (28, 784728), (32, 686637), (36, 610344), (42, 523152), (48, 457758), (49, 448416), (54, 406896), (56, 392364), (63, 348768), (72, 305172), (81, 271264), (84, 261576), (96, 228879), (98, 224208), (108, 203448), (112, 196182), (126, 174384), (144, 152586), (147, 149472), (162, 135632), (168, 130788), (173, 127008), (189, 116256), (196, 112104), (216, 101724), (224, 98091), (252, 87192), (288, 76293), (294, 74736), (324, 67816), (336, 65394), (346, 63504), (378, 58128), (392, 56052), (432, 50862), (441, 49824), (504, 43596), (519, 42336), (567, 38752), (588, 37368), (648, 33908), (672, 32697), (692, 31752), (756, 29064), (784, 28026), (864, 25431), (882, 24912), (1008, 21798), (1038, 21168), (1134, 19376), (1176, 18684), (1211, 18144), (1296, 16954), (1323, 16608), (1384, 15876), (1512, 14532), (1557, 14112), (1568, 14013), (1764, 12456), (2016, 10899), (2076, 10584), (2268, 9688), (2352, 9342), (2422, 9072), (2592, 8477), (2646, 8304), (2768, 7938), (3024, 7266), (3114, 7056), (3528, 6228), (3633, 6048), (3969, 5536), (4152, 5292), (4536, 4844), (4671, 4704)]