21710363920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{5927}}^1$

素因数の和:6189

約数の個数: 160

約数和(自身を含む): 59840741376

約数和(自身を除く): 38130377456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 211, 217, 248, 280, 310, 422, 434, 496, 560, 620, 844, 868, 1055, 1085, 1240, 1477, 1688, 1736, 2110, 2170, 2480, 2954, 3376, 3472, 4220, 4340, 5908, 5927, 6541, 7385, 8440, 8680, 11816, 11854, 13082, 14770, 16880, 17360, 23632, 23708, 26164, 29540, 29635, 32705, 41489, 45787, 47416, 52328, 59080, 59270, 65410, 82978, 91574, 94832, 104656, 118160, 118540, 130820, 165956, 183148, 183737, 207445, 228935, 237080, 261640, 331912, 366296, 367474, 414890, 457870, 474160, 523280, 663824, 732592, 734948, 829780, 915740, 918685, 1250597, 1286159, 1469896, 1659560, 1831480, 1837370, 2501194, 2572318, 2939792, 3319120, 3662960, 3674740, 5002388, 5144636, 6252985, 6430795, 7349480, 8754179, 10004776, 10289272, 12505970, 12861590, 14698960, 17508358, 20009552, 20578544, 25011940, 25723180, 35016716, 38768507, 43770895, 50023880, 51446360, 70033432, 77537014, 87541790, 100047760, 102892720, 140066864, 155074028, 175083580, 193842535, 271379549, 310148056, 350167160, 387685070, 542759098, 620296112, 700334320, 775370140, 1085518196, 1356897745, 1550740280, 2171036392, 2713795490, 3101480560, 4342072784, 5427590980, 10855181960, 21710363920]

約数ペア:

[(1, 21710363920), (2, 10855181960), (4, 5427590980), (5, 4342072784), (7, 3101480560), (8, 2713795490), (10, 2171036392), (14, 1550740280), (16, 1356897745), (20, 1085518196), (28, 775370140), (31, 700334320), (35, 620296112), (40, 542759098), (56, 387685070), (62, 350167160), (70, 310148056), (80, 271379549), (112, 193842535), (124, 175083580), (140, 155074028), (155, 140066864), (211, 102892720), (217, 100047760), (248, 87541790), (280, 77537014), (310, 70033432), (422, 51446360), (434, 50023880), (496, 43770895), (560, 38768507), (620, 35016716), (844, 25723180), (868, 25011940), (1055, 20578544), (1085, 20009552), (1240, 17508358), (1477, 14698960), (1688, 12861590), (1736, 12505970), (2110, 10289272), (2170, 10004776), (2480, 8754179), (2954, 7349480), (3376, 6430795), (3472, 6252985), (4220, 5144636), (4340, 5002388), (5908, 3674740), (5927, 3662960), (6541, 3319120), (7385, 2939792), (8440, 2572318), (8680, 2501194), (11816, 1837370), (11854, 1831480), (13082, 1659560), (14770, 1469896), (16880, 1286159), (17360, 1250597), (23632, 918685), (23708, 915740), (26164, 829780), (29540, 734948), (29635, 732592), (32705, 663824), (41489, 523280), (45787, 474160), (47416, 457870), (52328, 414890), (59080, 367474), (59270, 366296), (65410, 331912), (82978, 261640), (91574, 237080), (94832, 228935), (104656, 207445), (118160, 183737), (118540, 183148), (130820, 165956)]