21647360

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{151}}^1$

素因数の和:187

約数の個数: 104

約数和(自身を含む): 59761536

約数和(自身を除く): 38114176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 151, 160, 224, 256, 280, 302, 320, 448, 512, 560, 604, 640, 755, 896, 1024, 1057, 1120, 1208, 1280, 1510, 1792, 2048, 2114, 2240, 2416, 2560, 3020, 3584, 4096, 4228, 4480, 4832, 5120, 5285, 6040, 7168, 8456, 8960, 9664, 10240, 10570, 12080, 14336, 16912, 17920, 19328, 20480, 21140, 24160, 28672, 33824, 35840, 38656, 42280, 48320, 67648, 71680, 77312, 84560, 96640, 135296, 143360, 154624, 169120, 193280, 270592, 309248, 338240, 386560, 541184, 618496, 676480, 773120, 1082368, 1352960, 1546240, 2164736, 2705920, 3092480, 4329472, 5411840, 10823680, 21647360]

約数ペア:

[(1, 21647360), (2, 10823680), (4, 5411840), (5, 4329472), (7, 3092480), (8, 2705920), (10, 2164736), (14, 1546240), (16, 1352960), (20, 1082368), (28, 773120), (32, 676480), (35, 618496), (40, 541184), (56, 386560), (64, 338240), (70, 309248), (80, 270592), (112, 193280), (128, 169120), (140, 154624), (151, 143360), (160, 135296), (224, 96640), (256, 84560), (280, 77312), (302, 71680), (320, 67648), (448, 48320), (512, 42280), (560, 38656), (604, 35840), (640, 33824), (755, 28672), (896, 24160), (1024, 21140), (1057, 20480), (1120, 19328), (1208, 17920), (1280, 16912), (1510, 14336), (1792, 12080), (2048, 10570), (2114, 10240), (2240, 9664), (2416, 8960), (2560, 8456), (3020, 7168), (3584, 6040), (4096, 5285), (4228, 5120), (4480, 4832)]