21321476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 21353212

約数列:

[1, 2, 4, 11, 22, 41, 44, 53, 82, 106, 164, 212, 223, 446, 451, 583, 892, 902, 1166, 1804, 2173, 2332, 2453, 4346, 4906, 8692, 9143, 9812, 11819, 18286, 23638, 23903, 36572, 47276, 47806, 95612, 100573, 130009, 201146, 260018, 402292, 484579, 520036, 969158, 1938316, 5330369, 10660738, 21321476]

約数ペア:

[(1, 21321476), (2, 10660738), (4, 5330369), (11, 1938316), (22, 969158), (41, 520036), (44, 484579), (53, 402292), (82, 260018), (106, 201146), (164, 130009), (212, 100573), (223, 95612), (446, 47806), (451, 47276), (583, 36572), (892, 23903), (902, 23638), (1166, 18286), (1804, 11819), (2173, 9812), (2332, 9143), (2453, 8692), (4346, 4906)]