21914746

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 39086208

約数和(自身を除く): 17171462

約数列:

[1, 2, 7, 14, 41, 73, 82, 146, 287, 511, 523, 574, 1022, 1046, 2993, 3661, 5986, 7322, 20951, 21443, 38179, 41902, 42886, 76358, 150101, 267253, 300202, 534506, 1565339, 3130678, 10957373, 21914746]

約数ペア:

[(1, 21914746), (2, 10957373), (7, 3130678), (14, 1565339), (41, 534506), (73, 300202), (82, 267253), (146, 150101), (287, 76358), (511, 42886), (523, 41902), (574, 38179), (1022, 21443), (1046, 20951), (2993, 7322), (3661, 5986)]