21807612

素因数分解:

$2^2\times 3^2\times {\mathrm{433}}^1\times {\mathrm{1399}}^1$

素因数の和:1842

約数の個数: 36

約数和(自身を含む): 55291600

約数和(自身を除く): 33483988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 433, 866, 1299, 1399, 1732, 2598, 2798, 3897, 4197, 5196, 5596, 7794, 8394, 12591, 15588, 16788, 25182, 50364, 605767, 1211534, 1817301, 2423068, 3634602, 5451903, 7269204, 10903806, 21807612]

約数ペア:

[(1, 21807612), (2, 10903806), (3, 7269204), (4, 5451903), (6, 3634602), (9, 2423068), (12, 1817301), (18, 1211534), (36, 605767), (433, 50364), (866, 25182), (1299, 16788), (1399, 15588), (1732, 12591), (2598, 8394), (2798, 7794), (3897, 5596), (4197, 5196)]