21481608

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1423}}^1$

素因数の和:1486

約数の個数: 64

約数和(自身を含む): 58440960

約数和(自身を除く): 36959352

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 37, 51, 68, 74, 102, 111, 136, 148, 204, 222, 296, 408, 444, 629, 888, 1258, 1423, 1887, 2516, 2846, 3774, 4269, 5032, 5692, 7548, 8538, 11384, 15096, 17076, 24191, 34152, 48382, 52651, 72573, 96764, 105302, 145146, 157953, 193528, 210604, 290292, 315906, 421208, 580584, 631812, 895067, 1263624, 1790134, 2685201, 3580268, 5370402, 7160536, 10740804, 21481608]

約数ペア:

[(1, 21481608), (2, 10740804), (3, 7160536), (4, 5370402), (6, 3580268), (8, 2685201), (12, 1790134), (17, 1263624), (24, 895067), (34, 631812), (37, 580584), (51, 421208), (68, 315906), (74, 290292), (102, 210604), (111, 193528), (136, 157953), (148, 145146), (204, 105302), (222, 96764), (296, 72573), (408, 52651), (444, 48382), (629, 34152), (888, 24191), (1258, 17076), (1423, 15096), (1887, 11384), (2516, 8538), (2846, 7548), (3774, 5692), (4269, 5032)]