215532884

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{21323}}^1$

素因数の和:21372

約数の個数: 36

約数和(自身を含む): 454968864

約数和(自身を除く): 239435980

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 10108, 21323, 42646, 85292, 149261, 298522, 405137, 597044, 810274, 1620548, 2835959, 5671918, 7697603, 11343836, 15395206, 30790412, 53883221, 107766442, 215532884]

約数ペア:

[(1, 215532884), (2, 107766442), (4, 53883221), (7, 30790412), (14, 15395206), (19, 11343836), (28, 7697603), (38, 5671918), (76, 2835959), (133, 1620548), (266, 810274), (361, 597044), (532, 405137), (722, 298522), (1444, 149261), (2527, 85292), (5054, 42646), (10108, 21323)]