21579776

素因数分解:

$2^{11}\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 44373420

約数和(自身を除く): 22793644

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 257, 328, 512, 514, 656, 1024, 1028, 1312, 2048, 2056, 2624, 4112, 5248, 8224, 10496, 10537, 16448, 20992, 21074, 32896, 41984, 42148, 65792, 83968, 84296, 131584, 168592, 263168, 337184, 526336, 674368, 1348736, 2697472, 5394944, 10789888, 21579776]

約数ペア:

[(1, 21579776), (2, 10789888), (4, 5394944), (8, 2697472), (16, 1348736), (32, 674368), (41, 526336), (64, 337184), (82, 263168), (128, 168592), (164, 131584), (256, 84296), (257, 83968), (328, 65792), (512, 42148), (514, 41984), (656, 32896), (1024, 21074), (1028, 20992), (1312, 16448), (2048, 10537), (2056, 10496), (2624, 8224), (4112, 5248)]