21749478

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{523}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 45273600

約数和(自身を除く): 23524122

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 239, 478, 523, 717, 1046, 1434, 1569, 3138, 6931, 13862, 15167, 20793, 30334, 41586, 45501, 91002, 124997, 249994, 374991, 749982, 3624913, 7249826, 10874739, 21749478]

約数ペア:

[(1, 21749478), (2, 10874739), (3, 7249826), (6, 3624913), (29, 749982), (58, 374991), (87, 249994), (174, 124997), (239, 91002), (478, 45501), (523, 41586), (717, 30334), (1046, 20793), (1434, 15167), (1569, 13862), (3138, 6931)]