21669800

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1117}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 50947260

約数和(自身を除く): 29277460

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1117, 1940, 2234, 2425, 3880, 4468, 4850, 5585, 8936, 9700, 11170, 19400, 22340, 27925, 44680, 55850, 108349, 111700, 216698, 223400, 433396, 541745, 866792, 1083490, 2166980, 2708725, 4333960, 5417450, 10834900, 21669800]

約数ペア:

[(1, 21669800), (2, 10834900), (4, 5417450), (5, 4333960), (8, 2708725), (10, 2166980), (20, 1083490), (25, 866792), (40, 541745), (50, 433396), (97, 223400), (100, 216698), (194, 111700), (200, 108349), (388, 55850), (485, 44680), (776, 27925), (970, 22340), (1117, 19400), (1940, 11170), (2234, 9700), (2425, 8936), (3880, 5585), (4468, 4850)]