21178022

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 35334144

約数和(自身を除く): 14156122

約数列:

[1, 2, 17, 31, 34, 62, 71, 142, 283, 527, 566, 1054, 1207, 2201, 2414, 4402, 4811, 8773, 9622, 17546, 20093, 37417, 40186, 74834, 149141, 298282, 341581, 622883, 683162, 1245766, 10589011, 21178022]

約数ペア:

[(1, 21178022), (2, 10589011), (17, 1245766), (31, 683162), (34, 622883), (62, 341581), (71, 298282), (142, 149141), (283, 74834), (527, 40186), (566, 37417), (1054, 20093), (1207, 17546), (2201, 9622), (2414, 8773), (4402, 4811)]