21398976

素因数分解:

$2^6\times 3^2\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:498

約数の個数: 84

約数和(自身を含む): 62130432

約数和(自身を除く): 40731456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 97, 144, 192, 194, 288, 291, 383, 388, 576, 582, 766, 776, 873, 1149, 1164, 1532, 1552, 1746, 2298, 2328, 3064, 3104, 3447, 3492, 4596, 4656, 6128, 6208, 6894, 6984, 9192, 9312, 12256, 13788, 13968, 18384, 18624, 24512, 27576, 27936, 36768, 37151, 55152, 55872, 73536, 74302, 110304, 111453, 148604, 220608, 222906, 297208, 334359, 445812, 594416, 668718, 891624, 1188832, 1337436, 1783248, 2377664, 2674872, 3566496, 5349744, 7132992, 10699488, 21398976]

約数ペア:

[(1, 21398976), (2, 10699488), (3, 7132992), (4, 5349744), (6, 3566496), (8, 2674872), (9, 2377664), (12, 1783248), (16, 1337436), (18, 1188832), (24, 891624), (32, 668718), (36, 594416), (48, 445812), (64, 334359), (72, 297208), (96, 222906), (97, 220608), (144, 148604), (192, 111453), (194, 110304), (288, 74302), (291, 73536), (383, 55872), (388, 55152), (576, 37151), (582, 36768), (766, 27936), (776, 27576), (873, 24512), (1149, 18624), (1164, 18384), (1532, 13968), (1552, 13788), (1746, 12256), (2298, 9312), (2328, 9192), (3064, 6984), (3104, 6894), (3447, 6208), (3492, 6128), (4596, 4656)]