21972302

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{26993}}^1$

素因数の和:27043

約数の個数: 16

約数和(自身を含む): 36927792

約数和(自身を除く): 14955490

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 26993, 53986, 296923, 593846, 998741, 1997482, 10986151, 21972302]

約数ペア:

[(1, 21972302), (2, 10986151), (11, 1997482), (22, 998741), (37, 593846), (74, 296923), (407, 53986), (814, 26993)]