21919968

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 72648576

約数和(自身を除く): 50728608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 83, 84, 96, 112, 126, 131, 144, 166, 168, 224, 249, 252, 262, 288, 332, 336, 393, 498, 504, 524, 581, 664, 672, 747, 786, 917, 996, 1008, 1048, 1162, 1179, 1328, 1494, 1572, 1743, 1834, 1992, 2016, 2096, 2324, 2358, 2656, 2751, 2988, 3144, 3486, 3668, 3984, 4192, 4648, 4716, 5229, 5502, 5976, 6288, 6972, 7336, 7968, 8253, 9296, 9432, 10458, 10873, 11004, 11952, 12576, 13944, 14672, 16506, 18592, 18864, 20916, 21746, 22008, 23904, 27888, 29344, 32619, 33012, 37728, 41832, 43492, 44016, 55776, 65238, 66024, 76111, 83664, 86984, 88032, 97857, 130476, 132048, 152222, 167328, 173968, 195714, 228333, 260952, 264096, 304444, 347936, 391428, 456666, 521904, 608888, 684999, 782856, 913332, 1043808, 1217776, 1369998, 1565712, 1826664, 2435552, 2739996, 3131424, 3653328, 5479992, 7306656, 10959984, 21919968]

約数ペア:

[(1, 21919968), (2, 10959984), (3, 7306656), (4, 5479992), (6, 3653328), (7, 3131424), (8, 2739996), (9, 2435552), (12, 1826664), (14, 1565712), (16, 1369998), (18, 1217776), (21, 1043808), (24, 913332), (28, 782856), (32, 684999), (36, 608888), (42, 521904), (48, 456666), (56, 391428), (63, 347936), (72, 304444), (83, 264096), (84, 260952), (96, 228333), (112, 195714), (126, 173968), (131, 167328), (144, 152222), (166, 132048), (168, 130476), (224, 97857), (249, 88032), (252, 86984), (262, 83664), (288, 76111), (332, 66024), (336, 65238), (393, 55776), (498, 44016), (504, 43492), (524, 41832), (581, 37728), (664, 33012), (672, 32619), (747, 29344), (786, 27888), (917, 23904), (996, 22008), (1008, 21746), (1048, 20916), (1162, 18864), (1179, 18592), (1328, 16506), (1494, 14672), (1572, 13944), (1743, 12576), (1834, 11952), (1992, 11004), (2016, 10873), (2096, 10458), (2324, 9432), (2358, 9296), (2656, 8253), (2751, 7968), (2988, 7336), (3144, 6972), (3486, 6288), (3668, 5976), (3984, 5502), (4192, 5229), (4648, 4716)]