21713216

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2851}}^1$

素因数の和:2887

約数の個数: 56

約数和(自身を含む): 52157376

約数和(自身を除く): 30444160

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 136, 224, 238, 272, 448, 476, 544, 952, 1088, 1904, 2851, 3808, 5702, 7616, 11404, 19957, 22808, 39914, 45616, 48467, 79828, 91232, 96934, 159656, 182464, 193868, 319312, 339269, 387736, 638624, 678538, 775472, 1277248, 1357076, 1550944, 2714152, 3101888, 5428304, 10856608, 21713216]

約数ペア:

[(1, 21713216), (2, 10856608), (4, 5428304), (7, 3101888), (8, 2714152), (14, 1550944), (16, 1357076), (17, 1277248), (28, 775472), (32, 678538), (34, 638624), (56, 387736), (64, 339269), (68, 319312), (112, 193868), (119, 182464), (136, 159656), (224, 96934), (238, 91232), (272, 79828), (448, 48467), (476, 45616), (544, 39914), (952, 22808), (1088, 19957), (1904, 11404), (2851, 7616), (3808, 5702)]