21719374920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{8501}}^1$

素因数の和:8716

約数の個数: 192

約数和(自身を含む): 72575792640

約数和(自身を除く): 50856417720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 151, 180, 188, 235, 282, 302, 360, 376, 423, 453, 470, 564, 604, 705, 755, 846, 906, 940, 1128, 1208, 1359, 1410, 1510, 1692, 1812, 1880, 2115, 2265, 2718, 2820, 3020, 3384, 3624, 4230, 4530, 5436, 5640, 6040, 6795, 7097, 8460, 8501, 9060, 10872, 13590, 14194, 16920, 17002, 18120, 21291, 25503, 27180, 28388, 34004, 35485, 42505, 42582, 51006, 54360, 56776, 63873, 68008, 70970, 76509, 85010, 85164, 102012, 106455, 127515, 127746, 141940, 153018, 170020, 170328, 204024, 212910, 255030, 255492, 283880, 306036, 319365, 340040, 382545, 399547, 425820, 510060, 510984, 612072, 638730, 765090, 799094, 851640, 1020120, 1198641, 1277460, 1283651, 1530180, 1598188, 1997735, 2397282, 2554920, 2567302, 3060360, 3196376, 3595923, 3850953, 3995470, 4794564, 5134604, 5993205, 6418255, 7191846, 7701906, 7990940, 9589128, 10269208, 11552859, 11986410, 12836510, 14383692, 15403812, 15981880, 17979615, 19254765, 23105718, 23972820, 25673020, 28767384, 30807624, 35959230, 38509530, 46211436, 47945640, 51346040, 57764295, 60331597, 71918460, 77019060, 92422872, 115528590, 120663194, 143836920, 154038120, 180994791, 231057180, 241326388, 301657985, 361989582, 462114360, 482652776, 542984373, 603315970, 723979164, 904973955, 1085968746, 1206631940, 1447958328, 1809947910, 2171937492, 2413263880, 2714921865, 3619895820, 4343874984, 5429843730, 7239791640, 10859687460, 21719374920]

約数ペア:

[(1, 21719374920), (2, 10859687460), (3, 7239791640), (4, 5429843730), (5, 4343874984), (6, 3619895820), (8, 2714921865), (9, 2413263880), (10, 2171937492), (12, 1809947910), (15, 1447958328), (18, 1206631940), (20, 1085968746), (24, 904973955), (30, 723979164), (36, 603315970), (40, 542984373), (45, 482652776), (47, 462114360), (60, 361989582), (72, 301657985), (90, 241326388), (94, 231057180), (120, 180994791), (141, 154038120), (151, 143836920), (180, 120663194), (188, 115528590), (235, 92422872), (282, 77019060), (302, 71918460), (360, 60331597), (376, 57764295), (423, 51346040), (453, 47945640), (470, 46211436), (564, 38509530), (604, 35959230), (705, 30807624), (755, 28767384), (846, 25673020), (906, 23972820), (940, 23105718), (1128, 19254765), (1208, 17979615), (1359, 15981880), (1410, 15403812), (1510, 14383692), (1692, 12836510), (1812, 11986410), (1880, 11552859), (2115, 10269208), (2265, 9589128), (2718, 7990940), (2820, 7701906), (3020, 7191846), (3384, 6418255), (3624, 5993205), (4230, 5134604), (4530, 4794564), (5436, 3995470), (5640, 3850953), (6040, 3595923), (6795, 3196376), (7097, 3060360), (8460, 2567302), (8501, 2554920), (9060, 2397282), (10872, 1997735), (13590, 1598188), (14194, 1530180), (16920, 1283651), (17002, 1277460), (18120, 1198641), (21291, 1020120), (25503, 851640), (27180, 799094), (28388, 765090), (34004, 638730), (35485, 612072), (42505, 510984), (42582, 510060), (51006, 425820), (54360, 399547), (56776, 382545), (63873, 340040), (68008, 319365), (70970, 306036), (76509, 283880), (85010, 255492), (85164, 255030), (102012, 212910), (106455, 204024), (127515, 170328), (127746, 170020), (141940, 153018)]