21000953338

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{3833}}^1\times {\mathrm{17449}}^1$

素因数の和:21441

約数の個数: 16

約数和(自身を含む): 31712164200

約数和(自身を除く): 10711210862

約数列:

[1, 2, 157, 314, 3833, 7666, 17449, 34898, 601781, 1203562, 2739493, 5478986, 66882017, 133764034, 10500476669, 21000953338]

約数ペア:

[(1, 21000953338), (2, 10500476669), (157, 133764034), (314, 66882017), (3833, 5478986), (7666, 2739493), (17449, 1203562), (34898, 601781)]