21136292

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 37752960

約数和(自身を除く): 16616668

約数列:

[1, 2, 4, 79, 158, 211, 316, 317, 422, 634, 844, 1268, 16669, 25043, 33338, 50086, 66676, 66887, 100172, 133774, 267548, 5284073, 10568146, 21136292]

約数ペア:

[(1, 21136292), (2, 10568146), (4, 5284073), (79, 267548), (158, 133774), (211, 100172), (316, 66887), (317, 66676), (422, 50086), (634, 33338), (844, 25043), (1268, 16669)]