21602572

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{839}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 39019680

約数和(自身を除く): 17417108

約数列:

[1, 2, 4, 41, 82, 157, 164, 314, 628, 839, 1678, 3356, 6437, 12874, 25748, 34399, 68798, 131723, 137596, 263446, 526892, 5400643, 10801286, 21602572]

約数ペア:

[(1, 21602572), (2, 10801286), (4, 5400643), (41, 526892), (82, 263446), (157, 137596), (164, 131723), (314, 68798), (628, 34399), (839, 25748), (1678, 12874), (3356, 6437)]