21300872

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{12619}}^1$

素因数の和:12836

約数の個数: 16

約数和(自身を含む): 40131600

約数和(自身を除く): 18830728

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 12619, 25238, 50476, 100952, 2662609, 5325218, 10650436, 21300872]

約数ペア:

[(1, 21300872), (2, 10650436), (4, 5325218), (8, 2662609), (211, 100952), (422, 50476), (844, 25238), (1688, 12619)]