21513296

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11299}}^1$

素因数の和:11331

約数の個数: 40

約数和(自身を含む): 50443200

約数和(自身を除く): 28929904

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 11299, 22598, 45196, 79093, 90392, 158186, 180784, 192083, 316372, 384166, 632744, 768332, 1265488, 1344581, 1536664, 2689162, 3073328, 5378324, 10756648, 21513296]

約数ペア:

[(1, 21513296), (2, 10756648), (4, 5378324), (7, 3073328), (8, 2689162), (14, 1536664), (16, 1344581), (17, 1265488), (28, 768332), (34, 632744), (56, 384166), (68, 316372), (112, 192083), (119, 180784), (136, 158186), (238, 90392), (272, 79093), (476, 45196), (952, 22598), (1904, 11299)]