21763538188

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{312031}}^1$

素因数の和:312142

約数の個数: 48

約数和(自身を含む): 45292068864

約数和(自身を除く): 23528530676

約数列:

[1, 2, 4, 7, 14, 28, 47, 53, 94, 106, 188, 212, 329, 371, 658, 742, 1316, 1484, 2491, 4982, 9964, 17437, 34874, 69748, 312031, 624062, 1248124, 2184217, 4368434, 8736868, 14665457, 16537643, 29330914, 33075286, 58661828, 66150572, 102658199, 115763501, 205316398, 231527002, 410632796, 463054004, 777269221, 1554538442, 3109076884, 5440884547, 10881769094, 21763538188]

約数ペア:

[(1, 21763538188), (2, 10881769094), (4, 5440884547), (7, 3109076884), (14, 1554538442), (28, 777269221), (47, 463054004), (53, 410632796), (94, 231527002), (106, 205316398), (188, 115763501), (212, 102658199), (329, 66150572), (371, 58661828), (658, 33075286), (742, 29330914), (1316, 16537643), (1484, 14665457), (2491, 8736868), (4982, 4368434), (9964, 2184217), (17437, 1248124), (34874, 624062), (69748, 312031)]