21007872

素因数分解:

$2^9\times 3^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 120

約数和(自身を含む): 62558496

約数和(自身を除く): 41550624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 64, 72, 94, 96, 97, 128, 141, 144, 188, 192, 194, 256, 282, 288, 291, 376, 384, 388, 423, 512, 564, 576, 582, 752, 768, 776, 846, 873, 1128, 1152, 1164, 1504, 1536, 1552, 1692, 1746, 2256, 2304, 2328, 3008, 3104, 3384, 3492, 4512, 4559, 4608, 4656, 6016, 6208, 6768, 6984, 9024, 9118, 9312, 12032, 12416, 13536, 13677, 13968, 18048, 18236, 18624, 24064, 24832, 27072, 27354, 27936, 36096, 36472, 37248, 41031, 49664, 54144, 54708, 55872, 72192, 72944, 74496, 82062, 108288, 109416, 111744, 145888, 148992, 164124, 216576, 218832, 223488, 291776, 328248, 437664, 446976, 583552, 656496, 875328, 1167104, 1312992, 1750656, 2334208, 2625984, 3501312, 5251968, 7002624, 10503936, 21007872]

約数ペア:

[(1, 21007872), (2, 10503936), (3, 7002624), (4, 5251968), (6, 3501312), (8, 2625984), (9, 2334208), (12, 1750656), (16, 1312992), (18, 1167104), (24, 875328), (32, 656496), (36, 583552), (47, 446976), (48, 437664), (64, 328248), (72, 291776), (94, 223488), (96, 218832), (97, 216576), (128, 164124), (141, 148992), (144, 145888), (188, 111744), (192, 109416), (194, 108288), (256, 82062), (282, 74496), (288, 72944), (291, 72192), (376, 55872), (384, 54708), (388, 54144), (423, 49664), (512, 41031), (564, 37248), (576, 36472), (582, 36096), (752, 27936), (768, 27354), (776, 27072), (846, 24832), (873, 24064), (1128, 18624), (1152, 18236), (1164, 18048), (1504, 13968), (1536, 13677), (1552, 13536), (1692, 12416), (1746, 12032), (2256, 9312), (2304, 9118), (2328, 9024), (3008, 6984), (3104, 6768), (3384, 6208), (3492, 6016), (4512, 4656), (4559, 4608)]