21349888

素因数分解:

$2^9\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:92

約数の個数: 120

約数和(自身を含む): 53179632

約数和(自身を除く): 31829744

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 37, 46, 49, 56, 64, 74, 92, 98, 112, 128, 148, 161, 184, 196, 224, 256, 259, 296, 322, 368, 392, 448, 512, 518, 592, 644, 736, 784, 851, 896, 1036, 1127, 1184, 1288, 1472, 1568, 1702, 1792, 1813, 2072, 2254, 2368, 2576, 2944, 3136, 3404, 3584, 3626, 4144, 4508, 4736, 5152, 5888, 5957, 6272, 6808, 7252, 8288, 9016, 9472, 10304, 11776, 11914, 12544, 13616, 14504, 16576, 18032, 18944, 20608, 23828, 25088, 27232, 29008, 33152, 36064, 41216, 41699, 47656, 54464, 58016, 66304, 72128, 82432, 83398, 95312, 108928, 116032, 132608, 144256, 166796, 190624, 217856, 232064, 288512, 333592, 381248, 435712, 464128, 577024, 667184, 762496, 928256, 1334368, 1524992, 2668736, 3049984, 5337472, 10674944, 21349888]

約数ペア:

[(1, 21349888), (2, 10674944), (4, 5337472), (7, 3049984), (8, 2668736), (14, 1524992), (16, 1334368), (23, 928256), (28, 762496), (32, 667184), (37, 577024), (46, 464128), (49, 435712), (56, 381248), (64, 333592), (74, 288512), (92, 232064), (98, 217856), (112, 190624), (128, 166796), (148, 144256), (161, 132608), (184, 116032), (196, 108928), (224, 95312), (256, 83398), (259, 82432), (296, 72128), (322, 66304), (368, 58016), (392, 54464), (448, 47656), (512, 41699), (518, 41216), (592, 36064), (644, 33152), (736, 29008), (784, 27232), (851, 25088), (896, 23828), (1036, 20608), (1127, 18944), (1184, 18032), (1288, 16576), (1472, 14504), (1568, 13616), (1702, 12544), (1792, 11914), (1813, 11776), (2072, 10304), (2254, 9472), (2368, 9016), (2576, 8288), (2944, 7252), (3136, 6808), (3404, 6272), (3584, 5957), (3626, 5888), (4144, 5152), (4508, 4736)]