21804048

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:341

約数の個数: 120

約数和(自身を含む): 70773248

約数和(自身を除く): 48969200

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 97, 112, 126, 144, 168, 194, 223, 252, 291, 336, 388, 446, 504, 582, 669, 679, 776, 873, 892, 1008, 1164, 1338, 1358, 1552, 1561, 1746, 1784, 2007, 2037, 2328, 2676, 2716, 3122, 3492, 3568, 4014, 4074, 4656, 4683, 5352, 5432, 6111, 6244, 6984, 8028, 8148, 9366, 10704, 10864, 12222, 12488, 13968, 14049, 16056, 16296, 18732, 21631, 24444, 24976, 28098, 32112, 32592, 37464, 43262, 48888, 56196, 64893, 74928, 86524, 97776, 112392, 129786, 151417, 173048, 194679, 224784, 259572, 302834, 346096, 389358, 454251, 519144, 605668, 778716, 908502, 1038288, 1211336, 1362753, 1557432, 1817004, 2422672, 2725506, 3114864, 3634008, 5451012, 7268016, 10902024, 21804048]

約数ペア:

[(1, 21804048), (2, 10902024), (3, 7268016), (4, 5451012), (6, 3634008), (7, 3114864), (8, 2725506), (9, 2422672), (12, 1817004), (14, 1557432), (16, 1362753), (18, 1211336), (21, 1038288), (24, 908502), (28, 778716), (36, 605668), (42, 519144), (48, 454251), (56, 389358), (63, 346096), (72, 302834), (84, 259572), (97, 224784), (112, 194679), (126, 173048), (144, 151417), (168, 129786), (194, 112392), (223, 97776), (252, 86524), (291, 74928), (336, 64893), (388, 56196), (446, 48888), (504, 43262), (582, 37464), (669, 32592), (679, 32112), (776, 28098), (873, 24976), (892, 24444), (1008, 21631), (1164, 18732), (1338, 16296), (1358, 16056), (1552, 14049), (1561, 13968), (1746, 12488), (1784, 12222), (2007, 10864), (2037, 10704), (2328, 9366), (2676, 8148), (2716, 8028), (3122, 6984), (3492, 6244), (3568, 6111), (4014, 5432), (4074, 5352), (4656, 4683)]