21518294

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3931}}^1$

素因数の和:3980

約数の個数: 32

約数和(自身を含む): 40766976

約数和(自身を除く): 19248682

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 161, 238, 322, 391, 782, 2737, 3931, 5474, 7862, 27517, 55034, 66827, 90413, 133654, 180826, 467789, 632891, 935578, 1265782, 1537021, 3074042, 10759147, 21518294]

約数ペア:

[(1, 21518294), (2, 10759147), (7, 3074042), (14, 1537021), (17, 1265782), (23, 935578), (34, 632891), (46, 467789), (119, 180826), (161, 133654), (238, 90413), (322, 66827), (391, 55034), (782, 27517), (2737, 7862), (3931, 5474)]