21477888

素因数分解:

$2^9\times 3^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 120

約数和(自身を含む): 63835200

約数和(自身を除く): 42357312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 64, 72, 79, 96, 118, 128, 144, 158, 177, 192, 236, 237, 256, 288, 316, 354, 384, 472, 474, 512, 531, 576, 632, 708, 711, 768, 944, 948, 1062, 1152, 1264, 1416, 1422, 1536, 1888, 1896, 2124, 2304, 2528, 2832, 2844, 3776, 3792, 4248, 4608, 4661, 5056, 5664, 5688, 7552, 7584, 8496, 9322, 10112, 11328, 11376, 13983, 15104, 15168, 16992, 18644, 20224, 22656, 22752, 27966, 30208, 30336, 33984, 37288, 40448, 41949, 45312, 45504, 55932, 60672, 67968, 74576, 83898, 90624, 91008, 111864, 121344, 135936, 149152, 167796, 182016, 223728, 271872, 298304, 335592, 364032, 447456, 596608, 671184, 894912, 1193216, 1342368, 1789824, 2386432, 2684736, 3579648, 5369472, 7159296, 10738944, 21477888]

約数ペア:

[(1, 21477888), (2, 10738944), (3, 7159296), (4, 5369472), (6, 3579648), (8, 2684736), (9, 2386432), (12, 1789824), (16, 1342368), (18, 1193216), (24, 894912), (32, 671184), (36, 596608), (48, 447456), (59, 364032), (64, 335592), (72, 298304), (79, 271872), (96, 223728), (118, 182016), (128, 167796), (144, 149152), (158, 135936), (177, 121344), (192, 111864), (236, 91008), (237, 90624), (256, 83898), (288, 74576), (316, 67968), (354, 60672), (384, 55932), (472, 45504), (474, 45312), (512, 41949), (531, 40448), (576, 37288), (632, 33984), (708, 30336), (711, 30208), (768, 27966), (944, 22752), (948, 22656), (1062, 20224), (1152, 18644), (1264, 16992), (1416, 15168), (1422, 15104), (1536, 13983), (1888, 11376), (1896, 11328), (2124, 10112), (2304, 9322), (2528, 8496), (2832, 7584), (2844, 7552), (3776, 5688), (3792, 5664), (4248, 5056), (4608, 4661)]