21970806

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{883}}^1$

素因数の和:941

約数の個数: 64

約数和(自身を含む): 53464320

約数和(自身を除く): 31493514

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 29, 33, 39, 58, 66, 78, 87, 143, 174, 286, 319, 377, 429, 638, 754, 858, 883, 957, 1131, 1766, 1914, 2262, 2649, 4147, 5298, 8294, 9713, 11479, 12441, 19426, 22958, 24882, 25607, 29139, 34437, 51214, 58278, 68874, 76821, 126269, 153642, 252538, 281677, 332891, 378807, 563354, 665782, 757614, 845031, 998673, 1690062, 1997346, 3661801, 7323602, 10985403, 21970806]

約数ペア:

[(1, 21970806), (2, 10985403), (3, 7323602), (6, 3661801), (11, 1997346), (13, 1690062), (22, 998673), (26, 845031), (29, 757614), (33, 665782), (39, 563354), (58, 378807), (66, 332891), (78, 281677), (87, 252538), (143, 153642), (174, 126269), (286, 76821), (319, 68874), (377, 58278), (429, 51214), (638, 34437), (754, 29139), (858, 25607), (883, 24882), (957, 22958), (1131, 19426), (1766, 12441), (1914, 11479), (2262, 9713), (2649, 8294), (4147, 5298)]