21995162

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 16781158

約数列:

[1, 2, 7, 14, 67, 131, 134, 179, 262, 358, 469, 917, 938, 1253, 1834, 2506, 8777, 11993, 17554, 23449, 23986, 46898, 61439, 83951, 122878, 164143, 167902, 328286, 1571083, 3142166, 10997581, 21995162]

約数ペア:

[(1, 21995162), (2, 10997581), (7, 3142166), (14, 1571083), (67, 328286), (131, 167902), (134, 164143), (179, 122878), (262, 83951), (358, 61439), (469, 46898), (917, 23986), (938, 23449), (1253, 17554), (1834, 11993), (2506, 8777)]