21951138

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 50232960

約数和(自身を除く): 28281822

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 89, 101, 111, 178, 202, 222, 267, 303, 407, 534, 606, 814, 979, 1111, 1221, 1958, 2222, 2442, 2937, 3293, 3333, 3737, 5874, 6586, 6666, 7474, 8989, 9879, 11211, 17978, 19758, 22422, 26967, 36223, 41107, 53934, 72446, 82214, 98879, 108669, 123321, 197758, 217338, 246642, 296637, 332593, 593274, 665186, 997779, 1995558, 3658523, 7317046, 10975569, 21951138]

約数ペア:

[(1, 21951138), (2, 10975569), (3, 7317046), (6, 3658523), (11, 1995558), (22, 997779), (33, 665186), (37, 593274), (66, 332593), (74, 296637), (89, 246642), (101, 217338), (111, 197758), (178, 123321), (202, 108669), (222, 98879), (267, 82214), (303, 72446), (407, 53934), (534, 41107), (606, 36223), (814, 26967), (979, 22422), (1111, 19758), (1221, 17978), (1958, 11211), (2222, 9879), (2442, 8989), (2937, 7474), (3293, 6666), (3333, 6586), (3737, 5874)]